[tests][FIR][checkers][Wasm] Add test data for KT-66475

compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.fir.kt

@@ -0,0 +1,13 @@
+// MODULE: commonwasm
+// TARGET_PLATFORM: Wasm
+// FILE: commonwasm.kt
+
+expect interface ExternalInterface
+
+external fun externalFunction(arg: <!WRONG_JS_INTEROP_TYPE!>ExternalInterface<!>)
+
+// MODULE: wasm()()(commonwasm)
+// TARGET_PLATFORM: Wasm
+// FILE: wasm.kt
+
+actual external interface ExternalInterface

compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.kt

@@ -0,0 +1,13 @@
+// MODULE: commonwasm
+// TARGET_PLATFORM: Wasm
+// FILE: commonwasm.kt
+
+expect interface <!NO_ACTUAL_FOR_EXPECT!>ExternalInterface<!>
+
+external fun externalFunction(<!WRONG_JS_INTEROP_TYPE!>arg: ExternalInterface<!>)
+
+// MODULE: wasm()()(commonwasm)
+// TARGET_PLATFORM: Wasm
+// FILE: wasm.kt
+
+actual external interface ExternalInterface

wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/diagnostics/DiagnosticsFirWasmTestGenerated.java

@@ -238,6 +238,22 @@ public class DiagnosticsFirWasmTestGenerated extends AbstractDiagnosticsFirWasmT
     }
   }
 
+  @Nested
+  @TestMetadata("compiler/testData/diagnostics/wasmTests/multiplatform")
+  @TestDataPath("$PROJECT_ROOT")
+  public class Multiplatform {
+    @Test
+    @TestMetadata("ActualExternalTypeAsJsInteropType.kt")
+    public void testActualExternalTypeAsJsInteropType() {
+      runTest("compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.kt");
+    }
+
+    @Test
+    public void testAllFilesPresentInMultiplatform() {
+      KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/wasmTests/multiplatform"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
+    }
+  }
+
   @Nested
   @TestMetadata("compiler/testData/diagnostics/wasmTests/wasmInterop")
   @TestDataPath("$PROJECT_ROOT")

wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/diagnostics/DiagnosticsWasmTestGenerated.java

@@ -238,6 +238,22 @@ public class DiagnosticsWasmTestGenerated extends AbstractDiagnosticsWasmTest {
     }
   }
 
+  @Nested
+  @TestMetadata("compiler/testData/diagnostics/wasmTests/multiplatform")
+  @TestDataPath("$PROJECT_ROOT")
+  public class Multiplatform {
+    @Test
+    @TestMetadata("ActualExternalTypeAsJsInteropType.kt")
+    public void testActualExternalTypeAsJsInteropType() {
+      runTest("compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.kt");
+    }
+
+    @Test
+    public void testAllFilesPresentInMultiplatform() {
+      KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/wasmTests/multiplatform"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
+    }
+  }
+
   @Nested
   @TestMetadata("compiler/testData/diagnostics/wasmTests/wasmInterop")
   @TestDataPath("$PROJECT_ROOT")