diff --git a/ets2panda/scripts/arkui.properties b/ets2panda/scripts/arkui.properties
index 596d66d7752f3b3d26f0170ef32fb0eff678208d..07a8f388016198e107ee038805dd146ec715efa1 100644
--- a/ets2panda/scripts/arkui.properties
+++ b/ets2panda/scripts/arkui.properties
@@ -1,3 +1,3 @@
 ARKUI_DEV_REPO=https://gitee.com/rri_opensource/koala_projects.git
-ARKUI_DEV_BRANCH=panda_rev_9-array-length-int
+ARKUI_DEV_BRANCH=panda_rev_9-string-to-int
 ARKUI_DEST=koala-sig
diff --git a/ets2panda/test/ast/parser/ets/FixedArray/StringFasta.ets b/ets2panda/test/ast/parser/ets/FixedArray/StringFasta.ets
index 3cc0fa0bcdae7f707deb82b25dd7f52c6b53d12e..54308f81cd7fe710064c2adf0f80c7f1c401ea89 100644
--- a/ets2panda/test/ast/parser/ets/FixedArray/StringFasta.ets
+++ b/ets2panda/test/ast/parser/ets/FixedArray/StringFasta.ets
@@ -157,16 +157,16 @@ function main(): void {
 /* @@? 53:27 Error TypeError: Type 'null' cannot be assigned to type 'Char' */
 /* @@? 54:26 Error TypeError: Cannot find type 'HashMap'. */
 /* @@? 54:57 Error TypeError: 'For-of' statement source expression is not of iterable type. */
-/* @@? 71:33 Error TypeError: Type 'Double' has no call signatures. */
-/* @@? 72:24 Error TypeError: Type 'Double' has no call signatures. */
-/* @@? 77:33 Error TypeError: Type 'Double' has no call signatures. */
-/* @@? 78:24 Error TypeError: Type 'Double' has no call signatures. */
+/* @@? 71:33 Error TypeError: Type 'Int' has no call signatures. */
+/* @@? 72:24 Error TypeError: Type 'Int' has no call signatures. */
+/* @@? 77:33 Error TypeError: Type 'Int' has no call signatures. */
+/* @@? 78:24 Error TypeError: Type 'Int' has no call signatures. */
 /* @@? 84:41 Error TypeError: Cannot find type 'HashMap'. */
 /* @@? 86:9 Error TypeError: Static property 'makeCumulative' must be accessed through it's class 'StringFasta' */
 /* @@? 94:34 Error TypeError: Static property 'Random' must be accessed through it's class 'StringFasta' */
 /* @@? 95:34 Error TypeError: Cannot find type 'HashMap'. */
 /* @@? 95:65 Error TypeError: 'For-of' statement source expression is not of iterable type. */
-/* @@? 103:20 Error TypeError: Type 'Double' has no call signatures. */
+/* @@? 103:20 Error TypeError: Type 'Int' has no call signatures. */
 /* @@? 112:16 Error TypeError: Static property 'fastaRepeat' must be accessed through it's class 'StringFasta' */
 /* @@? 112:32 Error TypeError: Property 'count' must be accessed through 'this' */
 /* @@? 113:16 Error TypeError: Static property 'fastaRandom' must be accessed through it's class 'StringFasta' */
diff --git a/ets2panda/test/ast/parser/ets/StringFasta.ets b/ets2panda/test/ast/parser/ets/StringFasta.ets
index 758d82839fe141ae9f02ef51ac4447f179cc3d6d..47e9de0529e51f3eea5905699b433d282c3d8cbd 100644
--- a/ets2panda/test/ast/parser/ets/StringFasta.ets
+++ b/ets2panda/test/ast/parser/ets/StringFasta.ets
@@ -157,16 +157,16 @@ function main(): void {
 /* @@? 53:27 Error TypeError: Type 'null' cannot be assigned to type 'Char' */
 /* @@? 54:26 Error TypeError: Cannot find type 'HashMap'. */
 /* @@? 54:57 Error TypeError: 'For-of' statement source expression is not of iterable type. */
-/* @@? 71:33 Error TypeError: Type 'Double' has no call signatures. */
-/* @@? 72:24 Error TypeError: Type 'Double' has no call signatures. */
-/* @@? 77:33 Error TypeError: Type 'Double' has no call signatures. */
-/* @@? 78:24 Error TypeError: Type 'Double' has no call signatures. */
+/* @@? 71:33 Error TypeError: Type 'Int' has no call signatures. */
+/* @@? 72:24 Error TypeError: Type 'Int' has no call signatures. */
+/* @@? 77:33 Error TypeError: Type 'Int' has no call signatures. */
+/* @@? 78:24 Error TypeError: Type 'Int' has no call signatures. */
 /* @@? 84:41 Error TypeError: Cannot find type 'HashMap'. */
 /* @@? 86:9 Error TypeError: Static property 'makeCumulative' must be accessed through it's class 'StringFasta' */
 /* @@? 94:34 Error TypeError: Static property 'Random' must be accessed through it's class 'StringFasta' */
 /* @@? 95:34 Error TypeError: Cannot find type 'HashMap'. */
 /* @@? 95:65 Error TypeError: 'For-of' statement source expression is not of iterable type. */
-/* @@? 103:20 Error TypeError: Type 'Double' has no call signatures. */
+/* @@? 103:20 Error TypeError: Type 'Int' has no call signatures. */
 /* @@? 112:16 Error TypeError: Static property 'fastaRepeat' must be accessed through it's class 'StringFasta' */
 /* @@? 112:32 Error TypeError: Property 'count' must be accessed through 'this' */
 /* @@? 113:16 Error TypeError: Static property 'fastaRandom' must be accessed through it's class 'StringFasta' */
diff --git a/ets2panda/test/runtime/ets/const_variable_in_switch_statement/code_point_at.ets b/ets2panda/test/runtime/ets/const_variable_in_switch_statement/code_point_at.ets
index b08891c755e80ecbe9de37979f4104022d837ac7..d77bb5f8a9fa8767db4a8d2c4ac7f234a1c3169a 100644
--- a/ets2panda/test/runtime/ets/const_variable_in_switch_statement/code_point_at.ets
+++ b/ets2panda/test/runtime/ets/const_variable_in_switch_statement/code_point_at.ets
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
-const a = ('X'.codePointAt(0) as Double).toInt()
+const a = ('X'.codePointAt(0)!).toInt()
 arktest.assertEQ(a, 88);
-const b = ('x'.codePointAt(0) as Double).toInt()
+const b = ('x'.codePointAt(0)!).toInt()
 arktest.assertEQ(b, 120);
 let c = 88
 let d = 0