diff --git a/dsms-engine-application/src/test/java/com/dsms/common/prometheus/builder/QueryBuilderTypeTest.java b/dsms-engine-application/src/test/java/com/dsms/common/prometheus/builder/QueryBuilderTypeTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..eaf5dc74553ea3f9c144cb7d43965027aaeaee79
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/prometheus/builder/QueryBuilderTypeTest.java
@@ -0,0 +1,14 @@
+package com.dsms.common.prometheus.builder;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class QueryBuilderTypeTest {
+
+    @Test
+    void newInstance() {
+        String prometheusUrl = "http://prometheus:9095";
+        Assertions.assertInstanceOf(RangeQueryBuilder.class, QueryBuilderType.RangeQuery.newInstance(prometheusUrl));
+        Assertions.assertInstanceOf(InstantQueryBuilder.class, QueryBuilderType.InstantQuery.newInstance(prometheusUrl));
+    }
+}
\ No newline at end of file