Go To test: go to and create test for enums and interfaces (IDEA-77077, IDEA-23271) (cherry picked from commit cdb6bde)

java/java-impl/src/com/intellij/testIntegration/JavaTestFinder.java

@@ -69,10 +69,7 @@ public class JavaTestFinder implements TestFinder {
   }
 
   private static boolean isTestSubjectClass(PsiClass klass) {
-    if (klass.isEnum()
-        || klass.isInterface()
-        || klass.isAnnotationType()
-        || TestFrameworks.getInstance().isTestClass(klass)) {
+    if (klass.isAnnotationType() || TestFrameworks.getInstance().isTestClass(klass)) {
       return false;
     }
     return true;

java/java-impl/src/com/intellij/testIntegration/createTest/CreateTestAction.java

@@ -72,7 +72,6 @@ public class CreateTestAction extends PsiElementBaseIntentionAction {
     if (srcModule == null) return false;
 
     if (psiClass.isAnnotationType() ||
-        psiClass.isInterface() ||
         psiClass instanceof PsiAnonymousClass ||
         PsiTreeUtil.getParentOfType(psiClass, PsiClass.class) != null || // inner
         isUnderTestSources(psiClass)) {