QuickFixMultiModule: change tests structure

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

@@ -0,0 +1,7 @@
+expect class My constructor() {
+    fun foo()
+}
+
+fun test() {
+    My().foo()
+}

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

@@ -0,0 +1,7 @@
+expect class My constructor() {
+    fun foo()
+}
+
+fun test() {
+    My().foo()
+}