QuickFixMultiModule: change tests structure

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

@@ -0,0 +1,5 @@
+// "Create actual function for module testModule_JVM (JVM)" "true"
+
+expect fun bar()
+
+expect fun <caret>foo(arg: Int): String

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

@@ -0,0 +1,5 @@
+// "Create actual function for module testModule_JVM (JVM)" "true"
+
+expect fun bar()
+
+expect fun foo(arg: Int): String

idea/testData/multiModuleQuickFix/createActual/functionSameFile/jvm/foo.kt

@@ -0,0 +1,3 @@
+// foo: to be implemented
+
+actual fun bar() {}

idea/testData/multiModuleQuickFix/createActual/functionSameFile/jvm/foo.kt.after

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+// foo: to be implemented
+
+actual fun bar() {}
+actual fun foo(arg: Int): String {
+    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+}