QuickFixMultiModule: change tests structure

idea/testData/multiModuleQuickFix/other/makeInternalFromExpect/common/common.kt

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+// "Make 'getInternal' internal" "true"
+
+internal expect class Internal
+
+expect fun <caret>getInternal(): Internal

idea/testData/multiModuleQuickFix/other/makeInternalFromExpect/common/common.kt.after

@@ -0,0 +1,5 @@
+// "Make 'getInternal' internal" "true"
+
+internal expect class Internal
+
+internal expect fun getInternal(): Internal

idea/testData/multiModuleQuickFix/other/makeInternalFromExpect/jvm/jvm.kt

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+internal actual class Internal
+
+actual fun getInternal(): Internal {
+    return Internal()
+}

idea/testData/multiModuleQuickFix/other/makeInternalFromExpect/jvm/jvm.kt.after

@@ -0,0 +1,5 @@
+internal actual class Internal
+
+internal actual fun getInternal(): Internal {
+    return Internal()
+}