Run LoadJava.CompiledKotlin test group with stdlib if some enum is inside

This commit makes compiler tests working similarly to ResolveByStub IDE tests.

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/innerEnumExistingClassObject.kt

@@ -0,0 +1,8 @@
+package test
+
+class A {
+    companion object { }
+    enum class E {
+        ENTRY
+    }
+}