diff --git a/ets2panda/test/ast/compiler/ets/override18.ets b/ets2panda/test/ast/compiler/ets/override18.ets
deleted file mode 100644
index cb85ef104d88734232d9d5a6afa00676e3d3ec84..0000000000000000000000000000000000000000
--- a/ets2panda/test/ast/compiler/ets/override18.ets
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * Copyright (c) 2023-2025 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http: //www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-interface J{
-    toString(): String {
-        return "";
-    }
-    $_hashCode():int{
-        return 4;
-    }
-}
-
-class JImpl implements J{
-}
-
-function main(): void {
-    let o: JImpl = new JImpl()
-    arktest.assertEQ(o.$_hashCode(), 4);
-}
diff --git a/ets2panda/test/compiler/ets/override19-expected.txt b/ets2panda/test/compiler/ets/override19-expected.txt
deleted file mode 100644
index 41840f86e8559f22e4b48f3c4dce72e7de859364..0000000000000000000000000000000000000000
--- a/ets2panda/test/compiler/ets/override19-expected.txt
+++ /dev/null
@@ -1,1317 +0,0 @@
-{
-  "type": "Program",
-  "statements": [
-    {
-      "type": "ClassDeclaration",
-      "definition": {
-        "id": {
-          "type": "Identifier",
-          "name": "O",
-          "decorators": [],
-          "loc": {
-            "start": {
-              "line": 16,
-              "column": 7,
-              "program": "override19.ets"
-            },
-            "end": {
-              "line": 16,
-              "column": 8,
-              "program": "override19.ets"
-            }
-          }
-        },
-        "superClass": null,
-        "implements": [],
-        "body": [
-          {
-            "type": "MethodDefinition",
-            "key": {
-              "type": "Identifier",
-              "name": "toString",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 17,
-                  "column": 14,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 17,
-                  "column": 22,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "kind": "method",
-            "accessibility": "public",
-            "static": false,
-            "optional": false,
-            "computed": false,
-            "value": {
-              "type": "FunctionExpression",
-              "function": {
-                "type": "ScriptFunction",
-                "id": {
-                  "type": "Identifier",
-                  "name": "toString",
-                  "decorators": [],
-                  "loc": {
-                    "start": {
-                      "line": 17,
-                      "column": 14,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 17,
-                      "column": 22,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "generator": false,
-                "async": false,
-                "expression": false,
-                "params": [],
-                "returnType": {
-                  "type": "ETSTypeReference",
-                  "part": {
-                    "type": "ETSTypeReferencePart",
-                    "name": {
-                      "type": "Identifier",
-                      "name": "String",
-                      "decorators": [],
-                      "loc": {
-                        "start": {
-                          "line": 17,
-                          "column": 26,
-                          "program": "override19.ets"
-                        },
-                        "end": {
-                          "line": 17,
-                          "column": 32,
-                          "program": "override19.ets"
-                        }
-                      }
-                    },
-                    "loc": {
-                      "start": {
-                        "line": 17,
-                        "column": 26,
-                        "program": "override19.ets"
-                      },
-                      "end": {
-                        "line": 17,
-                        "column": 34,
-                        "program": "override19.ets"
-                      }
-                    }
-                  },
-                  "loc": {
-                    "start": {
-                      "line": 17,
-                      "column": 26,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 17,
-                      "column": 34,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "body": {
-                  "type": "BlockStatement",
-                  "statements": [
-                    {
-                      "type": "ReturnStatement",
-                      "argument": {
-                        "type": "StringLiteral",
-                        "value": "",
-                        "loc": {
-                          "start": {
-                            "line": 18,
-                            "column": 16,
-                            "program": "override19.ets"
-                          },
-                          "end": {
-                            "line": 18,
-                            "column": 18,
-                            "program": "override19.ets"
-                          }
-                        }
-                      },
-                      "loc": {
-                        "start": {
-                          "line": 18,
-                          "column": 9,
-                          "program": "override19.ets"
-                        },
-                        "end": {
-                          "line": 18,
-                          "column": 19,
-                          "program": "override19.ets"
-                        }
-                      }
-                    }
-                  ],
-                  "loc": {
-                    "start": {
-                      "line": 17,
-                      "column": 33,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 19,
-                      "column": 6,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "loc": {
-                  "start": {
-                    "line": 17,
-                    "column": 22,
-                    "program": "override19.ets"
-                  },
-                  "end": {
-                    "line": 19,
-                    "column": 6,
-                    "program": "override19.ets"
-                  }
-                }
-              },
-              "loc": {
-                "start": {
-                  "line": 17,
-                  "column": 22,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 19,
-                  "column": 6,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "overloads": [],
-            "decorators": [],
-            "loc": {
-              "start": {
-                "line": 17,
-                "column": 5,
-                "program": "override19.ets"
-              },
-              "end": {
-                "line": 19,
-                "column": 6,
-                "program": "override19.ets"
-              }
-            }
-          },
-          {
-            "type": "MethodDefinition",
-            "key": {
-              "type": "Identifier",
-              "name": "$_hashCode",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 20,
-                  "column": 14,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 20,
-                  "column": 24,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "kind": "method",
-            "accessibility": "public",
-            "static": false,
-            "optional": false,
-            "computed": false,
-            "value": {
-              "type": "FunctionExpression",
-              "function": {
-                "type": "ScriptFunction",
-                "id": {
-                  "type": "Identifier",
-                  "name": "$_hashCode",
-                  "decorators": [],
-                  "loc": {
-                    "start": {
-                      "line": 20,
-                      "column": 14,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 20,
-                      "column": 24,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "generator": false,
-                "async": false,
-                "expression": false,
-                "params": [],
-                "returnType": {
-                  "type": "ETSPrimitiveType",
-                  "loc": {
-                    "start": {
-                      "line": 20,
-                      "column": 28,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 20,
-                      "column": 31,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "body": {
-                  "type": "BlockStatement",
-                  "statements": [
-                    {
-                      "type": "ReturnStatement",
-                      "argument": {
-                        "type": "NumberLiteral",
-                        "value": 4,
-                        "loc": {
-                          "start": {
-                            "line": 21,
-                            "column": 16,
-                            "program": "override19.ets"
-                          },
-                          "end": {
-                            "line": 21,
-                            "column": 17,
-                            "program": "override19.ets"
-                          }
-                        }
-                      },
-                      "loc": {
-                        "start": {
-                          "line": 21,
-                          "column": 9,
-                          "program": "override19.ets"
-                        },
-                        "end": {
-                          "line": 21,
-                          "column": 18,
-                          "program": "override19.ets"
-                        }
-                      }
-                    }
-                  ],
-                  "loc": {
-                    "start": {
-                      "line": 20,
-                      "column": 32,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 22,
-                      "column": 6,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "loc": {
-                  "start": {
-                    "line": 20,
-                    "column": 24,
-                    "program": "override19.ets"
-                  },
-                  "end": {
-                    "line": 22,
-                    "column": 6,
-                    "program": "override19.ets"
-                  }
-                }
-              },
-              "loc": {
-                "start": {
-                  "line": 20,
-                  "column": 24,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 22,
-                  "column": 6,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "overloads": [],
-            "decorators": [],
-            "loc": {
-              "start": {
-                "line": 20,
-                "column": 5,
-                "program": "override19.ets"
-              },
-              "end": {
-                "line": 22,
-                "column": 6,
-                "program": "override19.ets"
-              }
-            }
-          },
-          {
-            "type": "MethodDefinition",
-            "key": {
-              "type": "Identifier",
-              "name": "constructor",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 16,
-                  "column": 9,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 16,
-                  "column": 9,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "kind": "constructor",
-            "static": false,
-            "optional": false,
-            "computed": false,
-            "value": {
-              "type": "FunctionExpression",
-              "function": {
-                "type": "ScriptFunction",
-                "id": {
-                  "type": "Identifier",
-                  "name": "constructor",
-                  "decorators": [],
-                  "loc": {
-                    "start": {
-                      "line": 16,
-                      "column": 9,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 16,
-                      "column": 9,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "generator": false,
-                "async": false,
-                "expression": false,
-                "params": [],
-                "body": {
-                  "type": "BlockStatement",
-                  "statements": [],
-                  "loc": {
-                    "start": {
-                      "line": 16,
-                      "column": 9,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 16,
-                      "column": 9,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "loc": {
-                  "start": {
-                    "line": 16,
-                    "column": 9,
-                    "program": "override19.ets"
-                  },
-                  "end": {
-                    "line": 16,
-                    "column": 9,
-                    "program": "override19.ets"
-                  }
-                }
-              },
-              "loc": {
-                "start": {
-                  "line": 16,
-                  "column": 9,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 16,
-                  "column": 9,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "overloads": [],
-            "decorators": [],
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 1,
-                "program": null
-              },
-              "end": {
-                "line": 1,
-                "column": 1,
-                "program": null
-              }
-            }
-          }
-        ],
-        "loc": {
-          "start": {
-            "line": 16,
-            "column": 8,
-            "program": "override19.ets"
-          },
-          "end": {
-            "line": 25,
-            "column": 6,
-            "program": "override19.ets"
-          }
-        }
-      },
-      "loc": {
-        "start": {
-          "line": 16,
-          "column": 1,
-          "program": "override19.ets"
-        },
-        "end": {
-          "line": 25,
-          "column": 6,
-          "program": "override19.ets"
-        }
-      }
-    },
-    {
-      "type": "ClassDeclaration",
-      "definition": {
-        "id": {
-          "type": "Identifier",
-          "name": "OExt",
-          "decorators": [],
-          "loc": {
-            "start": {
-              "line": 25,
-              "column": 7,
-              "program": "override19.ets"
-            },
-            "end": {
-              "line": 25,
-              "column": 11,
-              "program": "override19.ets"
-            }
-          }
-        },
-        "superClass": {
-          "type": "ETSTypeReference",
-          "part": {
-            "type": "ETSTypeReferencePart",
-            "name": {
-              "type": "Identifier",
-              "name": "O",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 25,
-                  "column": 20,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 25,
-                  "column": 21,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "loc": {
-              "start": {
-                "line": 25,
-                "column": 20,
-                "program": "override19.ets"
-              },
-              "end": {
-                "line": 25,
-                "column": 22,
-                "program": "override19.ets"
-              }
-            }
-          },
-          "loc": {
-            "start": {
-              "line": 25,
-              "column": 20,
-              "program": "override19.ets"
-            },
-            "end": {
-              "line": 25,
-              "column": 22,
-              "program": "override19.ets"
-            }
-          }
-        },
-        "implements": [],
-        "body": [
-          {
-            "type": "MethodDefinition",
-            "key": {
-              "type": "Identifier",
-              "name": "constructor",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 25,
-                  "column": 22,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 25,
-                  "column": 22,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "kind": "constructor",
-            "static": false,
-            "optional": false,
-            "computed": false,
-            "value": {
-              "type": "FunctionExpression",
-              "function": {
-                "type": "ScriptFunction",
-                "id": {
-                  "type": "Identifier",
-                  "name": "constructor",
-                  "decorators": [],
-                  "loc": {
-                    "start": {
-                      "line": 25,
-                      "column": 22,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 25,
-                      "column": 22,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "generator": false,
-                "async": false,
-                "expression": false,
-                "params": [],
-                "body": {
-                  "type": "BlockStatement",
-                  "statements": [],
-                  "loc": {
-                    "start": {
-                      "line": 25,
-                      "column": 22,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 25,
-                      "column": 22,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "loc": {
-                  "start": {
-                    "line": 25,
-                    "column": 22,
-                    "program": "override19.ets"
-                  },
-                  "end": {
-                    "line": 25,
-                    "column": 22,
-                    "program": "override19.ets"
-                  }
-                }
-              },
-              "loc": {
-                "start": {
-                  "line": 25,
-                  "column": 22,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 25,
-                  "column": 22,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "overloads": [],
-            "decorators": [],
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 1,
-                "program": null
-              },
-              "end": {
-                "line": 1,
-                "column": 1,
-                "program": null
-              }
-            }
-          }
-        ],
-        "loc": {
-          "start": {
-            "line": 25,
-            "column": 21,
-            "program": "override19.ets"
-          },
-          "end": {
-            "line": 28,
-            "column": 9,
-            "program": "override19.ets"
-          }
-        }
-      },
-      "loc": {
-        "start": {
-          "line": 25,
-          "column": 1,
-          "program": "override19.ets"
-        },
-        "end": {
-          "line": 28,
-          "column": 9,
-          "program": "override19.ets"
-        }
-      }
-    },
-    {
-      "type": "ClassDeclaration",
-      "definition": {
-        "id": {
-          "type": "Identifier",
-          "name": "ETSGLOBAL",
-          "decorators": [],
-          "loc": {
-            "start": {
-              "line": 1,
-              "column": 1,
-              "program": "override19.ets"
-            },
-            "end": {
-              "line": 1,
-              "column": 1,
-              "program": "override19.ets"
-            }
-          }
-        },
-        "superClass": null,
-        "implements": [],
-        "body": [
-          {
-            "type": "MethodDefinition",
-            "key": {
-              "type": "Identifier",
-              "name": "_$init$_",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 1,
-                  "column": 1,
-                  "program": null
-                },
-                "end": {
-                  "line": 1,
-                  "column": 1,
-                  "program": null
-                }
-              }
-            },
-            "kind": "method",
-            "accessibility": "public",
-            "static": true,
-            "optional": false,
-            "computed": false,
-            "value": {
-              "type": "FunctionExpression",
-              "function": {
-                "type": "ScriptFunction",
-                "id": {
-                  "type": "Identifier",
-                  "name": "_$init$_",
-                  "decorators": [],
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 1,
-                      "program": null
-                    },
-                    "end": {
-                      "line": 1,
-                      "column": 1,
-                      "program": null
-                    }
-                  }
-                },
-                "generator": false,
-                "async": false,
-                "expression": false,
-                "params": [],
-                "body": {
-                  "type": "BlockStatement",
-                  "statements": [],
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 1,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 1,
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-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "loc": {
-                  "start": {
-                    "line": 1,
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-                    "program": "override19.ets"
-                  },
-                  "end": {
-                    "line": 1,
-                    "column": 1,
-                    "program": "override19.ets"
-                  }
-                }
-              },
-              "loc": {
-                "start": {
-                  "line": 1,
-                  "column": 1,
-                  "program": "override19.ets"
-                },
-                "end": {
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-                }
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-            "overloads": [],
-            "decorators": [],
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 1,
-                "program": "override19.ets"
-              },
-              "end": {
-                "line": 1,
-                "column": 1,
-                "program": "override19.ets"
-              }
-            }
-          },
-          {
-            "type": "MethodDefinition",
-            "key": {
-              "type": "Identifier",
-              "name": "main",
-              "decorators": [],
-              "loc": {
-                "start": {
-                  "line": 28,
-                  "column": 10,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 28,
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-                  "program": "override19.ets"
-                }
-              }
-            },
-            "kind": "method",
-            "accessibility": "public",
-            "static": true,
-            "optional": false,
-            "computed": false,
-            "value": {
-              "type": "FunctionExpression",
-              "function": {
-                "type": "ScriptFunction",
-                "id": {
-                  "type": "Identifier",
-                  "name": "main",
-                  "decorators": [],
-                  "loc": {
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-                      "line": 28,
-                      "column": 10,
-                      "program": "override19.ets"
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-                "generator": false,
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-                "expression": false,
-                "params": [],
-                "returnType": {
-                  "type": "ETSPrimitiveType",
-                  "loc": {
-                    "start": {
-                      "line": 28,
-                      "column": 18,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 28,
-                      "column": 22,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "body": {
-                  "type": "BlockStatement",
-                  "statements": [
-                    {
-                      "type": "VariableDeclaration",
-                      "declarations": [
-                        {
-                          "type": "VariableDeclarator",
-                          "id": {
-                            "type": "Identifier",
-                            "name": "o",
-                            "typeAnnotation": {
-                              "type": "ETSTypeReference",
-                              "part": {
-                                "type": "ETSTypeReferencePart",
-                                "name": {
-                                  "type": "Identifier",
-                                  "name": "OExt",
-                                  "decorators": [],
-                                  "loc": {
-                                    "start": {
-                                      "line": 29,
-                                      "column": 12,
-                                      "program": "override19.ets"
-                                    },
-                                    "end": {
-                                      "line": 29,
-                                      "column": 16,
-                                      "program": "override19.ets"
-                                    }
-                                  }
-                                },
-                                "loc": {
-                                  "start": {
-                                    "line": 29,
-                                    "column": 12,
-                                    "program": "override19.ets"
-                                  },
-                                  "end": {
-                                    "line": 29,
-                                    "column": 18,
-                                    "program": "override19.ets"
-                                  }
-                                }
-                              },
-                              "loc": {
-                                "start": {
-                                  "line": 29,
-                                  "column": 12,
-                                  "program": "override19.ets"
-                                },
-                                "end": {
-                                  "line": 29,
-                                  "column": 18,
-                                  "program": "override19.ets"
-                                }
-                              }
-                            },
-                            "decorators": [],
-                            "loc": {
-                              "start": {
-                                "line": 29,
-                                "column": 9,
-                                "program": "override19.ets"
-                              },
-                              "end": {
-                                "line": 29,
-                                "column": 10,
-                                "program": "override19.ets"
-                              }
-                            }
-                          },
-                          "init": {
-                            "type": "ETSNewClassInstanceExpression",
-                            "typeReference": {
-                              "type": "ETSTypeReference",
-                              "part": {
-                                "type": "ETSTypeReferencePart",
-                                "name": {
-                                  "type": "Identifier",
-                                  "name": "OExt",
-                                  "decorators": [],
-                                  "loc": {
-                                    "start": {
-                                      "line": 29,
-                                      "column": 23,
-                                      "program": "override19.ets"
-                                    },
-                                    "end": {
-                                      "line": 29,
-                                      "column": 27,
-                                      "program": "override19.ets"
-                                    }
-                                  }
-                                },
-                                "loc": {
-                                  "start": {
-                                    "line": 29,
-                                    "column": 23,
-                                    "program": "override19.ets"
-                                  },
-                                  "end": {
-                                    "line": 29,
-                                    "column": 28,
-                                    "program": "override19.ets"
-                                  }
-                                }
-                              },
-                              "loc": {
-                                "start": {
-                                  "line": 29,
-                                  "column": 23,
-                                  "program": "override19.ets"
-                                },
-                                "end": {
-                                  "line": 29,
-                                  "column": 28,
-                                  "program": "override19.ets"
-                                }
-                              }
-                            },
-                            "arguments": [],
-                            "loc": {
-                              "start": {
-                                "line": 29,
-                                "column": 19,
-                                "program": "override19.ets"
-                              },
-                              "end": {
-                                "line": 30,
-                                "column": 12,
-                                "program": "override19.ets"
-                              }
-                            }
-                          },
-                          "loc": {
-                            "start": {
-                              "line": 29,
-                              "column": 9,
-                              "program": "override19.ets"
-                            },
-                            "end": {
-                              "line": 30,
-                              "column": 12,
-                              "program": "override19.ets"
-                            }
-                          }
-                        }
-                      ],
-                      "kind": "let",
-                      "loc": {
-                        "start": {
-                          "line": 29,
-                          "column": 5,
-                          "program": "override19.ets"
-                        },
-                        "end": {
-                          "line": 30,
-                          "column": 12,
-                          "program": "override19.ets"
-                        }
-                      }
-                    },
-                    {
-                      "type": "ExpressionStatement",
-                      "expression": {
-                        "type": "CallExpression",
-                        "callee": {
-                          "type": "MemberExpression",
-                          "object": {
-                            "type": "Identifier",
-                            "name": "arktest",
-                            "decorators": [],
-                            "loc": {
-                              "start": {
-                                "line": 30,
-                                "column": 5,
-                                "program": "override19.ets"
-                              },
-                              "end": {
-                                "line": 30,
-                                "column": 12,
-                                "program": "override19.ets"
-                              }
-                            }
-                          },
-                          "property": {
-                            "type": "Identifier",
-                            "name": "assertEQ",
-                            "decorators": [],
-                            "loc": {
-                              "start": {
-                                "line": 30,
-                                "column": 13,
-                                "program": "override19.ets"
-                              },
-                              "end": {
-                                "line": 30,
-                                "column": 21,
-                                "program": "override19.ets"
-                              }
-                            }
-                          },
-                          "computed": false,
-                          "optional": false,
-                          "loc": {
-                            "start": {
-                              "line": 30,
-                              "column": 5,
-                              "program": "override19.ets"
-                            },
-                            "end": {
-                              "line": 30,
-                              "column": 21,
-                              "program": "override19.ets"
-                            }
-                          }
-                        },
-                        "arguments": [
-                          {
-                            "type": "CallExpression",
-                            "callee": {
-                              "type": "MemberExpression",
-                              "object": {
-                                "type": "Identifier",
-                                "name": "o",
-                                "decorators": [],
-                                "loc": {
-                                  "start": {
-                                    "line": 30,
-                                    "column": 22,
-                                    "program": "override19.ets"
-                                  },
-                                  "end": {
-                                    "line": 30,
-                                    "column": 23,
-                                    "program": "override19.ets"
-                                  }
-                                }
-                              },
-                              "property": {
-                                "type": "Identifier",
-                                "name": "$_hashCode",
-                                "decorators": [],
-                                "loc": {
-                                  "start": {
-                                    "line": 30,
-                                    "column": 24,
-                                    "program": "override19.ets"
-                                  },
-                                  "end": {
-                                    "line": 30,
-                                    "column": 34,
-                                    "program": "override19.ets"
-                                  }
-                                }
-                              },
-                              "computed": false,
-                              "optional": false,
-                              "loc": {
-                                "start": {
-                                  "line": 30,
-                                  "column": 22,
-                                  "program": "override19.ets"
-                                },
-                                "end": {
-                                  "line": 30,
-                                  "column": 34,
-                                  "program": "override19.ets"
-                                }
-                              }
-                            },
-                            "arguments": [],
-                            "optional": false,
-                            "loc": {
-                              "start": {
-                                "line": 30,
-                                "column": 22,
-                                "program": "override19.ets"
-                              },
-                              "end": {
-                                "line": 30,
-                                "column": 36,
-                                "program": "override19.ets"
-                              }
-                            }
-                          },
-                          {
-                            "type": "NumberLiteral",
-                            "value": 4,
-                            "loc": {
-                              "start": {
-                                "line": 30,
-                                "column": 38,
-                                "program": "override19.ets"
-                              },
-                              "end": {
-                                "line": 30,
-                                "column": 39,
-                                "program": "override19.ets"
-                              }
-                            }
-                          }
-                        ],
-                        "optional": false,
-                        "loc": {
-                          "start": {
-                            "line": 30,
-                            "column": 5,
-                            "program": "override19.ets"
-                          },
-                          "end": {
-                            "line": 30,
-                            "column": 40,
-                            "program": "override19.ets"
-                          }
-                        }
-                      },
-                      "loc": {
-                        "start": {
-                          "line": 30,
-                          "column": 5,
-                          "program": "override19.ets"
-                        },
-                        "end": {
-                          "line": 30,
-                          "column": 41,
-                          "program": "override19.ets"
-                        }
-                      }
-                    }
-                  ],
-                  "loc": {
-                    "start": {
-                      "line": 28,
-                      "column": 23,
-                      "program": "override19.ets"
-                    },
-                    "end": {
-                      "line": 31,
-                      "column": 2,
-                      "program": "override19.ets"
-                    }
-                  }
-                },
-                "loc": {
-                  "start": {
-                    "line": 28,
-                    "column": 10,
-                    "program": "override19.ets"
-                  },
-                  "end": {
-                    "line": 31,
-                    "column": 2,
-                    "program": "override19.ets"
-                  }
-                }
-              },
-              "loc": {
-                "start": {
-                  "line": 28,
-                  "column": 10,
-                  "program": "override19.ets"
-                },
-                "end": {
-                  "line": 31,
-                  "column": 2,
-                  "program": "override19.ets"
-                }
-              }
-            },
-            "overloads": [],
-            "decorators": [],
-            "loc": {
-              "start": {
-                "line": 28,
-                "column": 1,
-                "program": "override19.ets"
-              },
-              "end": {
-                "line": 31,
-                "column": 2,
-                "program": "override19.ets"
-              }
-            }
-          }
-        ],
-        "loc": {
-          "start": {
-            "line": 1,
-            "column": 1,
-            "program": "override19.ets"
-          },
-          "end": {
-            "line": 1,
-            "column": 1,
-            "program": "override19.ets"
-          }
-        }
-      },
-      "loc": {
-        "start": {
-          "line": 1,
-          "column": 1,
-          "program": "override19.ets"
-        },
-        "end": {
-          "line": 1,
-          "column": 1,
-          "program": "override19.ets"
-        }
-      }
-    }
-  ],
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 1,
-      "program": "override19.ets"
-    },
-    "end": {
-      "line": 32,
-      "column": 1,
-      "program": "override19.ets"
-    }
-  }
-}
diff --git a/ets2panda/test/compiler/ets/override19.ets b/ets2panda/test/compiler/ets/override19.ets
deleted file mode 100644
index 168e38f49c9056dea6f3b876c4477b4b313447eb..0000000000000000000000000000000000000000
--- a/ets2panda/test/compiler/ets/override19.ets
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * Copyright (c) 2023-2025 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http: //www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-class O{
-    override toString(): String {
-        return "";
-    }
-    override $_hashCode(): int {
-        return 4;
-    }
-}
-
-class OExt extends O{
-}
-
-function main(): void {
-    let o: OExt = new OExt()
-    arktest.assertEQ(o.$_hashCode(), 4);
-}