[tests][FIR][checkers][JS] Add test data for KT-66474

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendMPPDiagnosticsWithLightTreeTestGenerated.java

@@ -265,6 +265,12 @@ public class FirOldFrontendMPPDiagnosticsWithLightTreeTestGenerated extends Abst
     runTest("compiler/testData/diagnostics/tests/multiplatform/incompatibles.kt");
   }
 
+  @Test
+  @TestMetadata("JsExternalTypeExtendsActualExternalType.kt")
+  public void testJsExternalTypeExtendsActualExternalType() {
+    runTest("compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.kt");
+  }
+
   @Test
   @TestMetadata("kt54827.kt")
   public void testKt54827() {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendMPPDiagnosticsWithPsiTestGenerated.java

@@ -265,6 +265,12 @@ public class FirOldFrontendMPPDiagnosticsWithPsiTestGenerated extends AbstractFi
     runTest("compiler/testData/diagnostics/tests/multiplatform/incompatibles.kt");
   }
 
+  @Test
+  @TestMetadata("JsExternalTypeExtendsActualExternalType.kt")
+  public void testJsExternalTypeExtendsActualExternalType() {
+    runTest("compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.kt");
+  }
+
   @Test
   @TestMetadata("kt54827.kt")
   public void testKt54827() {

compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.fir.kt

@@ -0,0 +1,13 @@
+// MODULE: commonjs
+// TARGET_PLATFORM: JS
+// FILE: commonjs.kt
+
+expect interface ExternalInterface
+
+external class <!EXTERNAL_TYPE_EXTENDS_NON_EXTERNAL_TYPE!>ExternalClass<!>: ExternalInterface
+
+// MODULE: js()()(commonjs)
+// TARGET_PLATFORM: JS
+// FILE: js.kt
+
+actual external interface ExternalInterface

compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.kt

@@ -0,0 +1,13 @@
+// MODULE: commonjs
+// TARGET_PLATFORM: JS
+// FILE: commonjs.kt
+
+expect interface <!NO_ACTUAL_FOR_EXPECT!>ExternalInterface<!>
+
+external class <!EXTERNAL_TYPE_EXTENDS_NON_EXTERNAL_TYPE!>ExternalClass<!>: ExternalInterface
+
+// MODULE: js()()(commonjs)
+// TARGET_PLATFORM: JS
+// FILE: js.kt
+
+actual external interface ExternalInterface

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -25016,6 +25016,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
         runTest("compiler/testData/diagnostics/tests/multiplatform/incompatibles.kt");
       }
 
+      @Test
+      @TestMetadata("JsExternalTypeExtendsActualExternalType.kt")
+      public void testJsExternalTypeExtendsActualExternalType() {
+        runTest("compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.kt");
+      }
+
       @Test
       @TestMetadata("kt54827.kt")
       public void testKt54827() {