QuickFixMultiModule: change tests structure

idea/testData/multiModuleQuickFix/createActual/enum/js/MyEnum.kt

@@ -0,0 +1 @@
+// MyEnum: to be implemented

idea/testData/multiModuleQuickFix/createActual/enum/js/MyEnum.kt.after

@@ -0,0 +1,8 @@
+// MyEnum: to be implemented
+actual enum class MyEnum {
+    FIRST, SECOND, LAST;
+
+    actual val num: Int
+        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
+
+}