QuickFixMultiModule: change tests structure

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

@@ -0,0 +1,11 @@
+// "Create actual class for module testModule_JS (JS)" "true"
+
+expect abstract class <caret>Abstract {
+    fun foo(param: String): Int
+
+    abstract fun String.bar(y: Double): Boolean
+
+    val isGood: Boolean
+
+    abstract var status: Int
+}

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

@@ -0,0 +1,11 @@
+// "Create actual class for module testModule_JS (JS)" "true"
+
+expect abstract class Abstract {
+    fun foo(param: String): Int
+
+    abstract fun String.bar(y: Double): Boolean
+
+    val isGood: Boolean
+
+    abstract var status: Int
+}