QuickFixMultiModule: change tests structure

idea/testData/multiModuleQuickFix/createActual/enum/header/header.kt

@@ -0,0 +1,9 @@
+// "Create actual enum class for module testModule_JS (JS)" "true"
+
+expect enum class <caret>MyEnum {
+    FIRST,
+    SECOND,
+    LAST;
+
+    val num: Int
+}

idea/testData/multiModuleQuickFix/createActual/enum/header/header.kt.after

@@ -0,0 +1,9 @@
+// "Create actual enum class for module testModule_JS (JS)" "true"
+
+expect enum class MyEnum {
+    FIRST,
+    SECOND,
+    LAST;
+
+    val num: Int
+}