QuickFixMultiModule: change tests structure

idea/testData/multiModuleQuickFix/other/classFunctionWithIncompatibleConstructor/header/header.kt

@@ -0,0 +1,7 @@
+// DISABLE-ERRORS
+
+expect class My(a: Int, b: String) {
+    fun test()
+
+    constructor(b: String, a: Int)
+}

idea/testData/multiModuleQuickFix/other/classFunctionWithIncompatibleConstructor/header/header.kt.after

@@ -0,0 +1,7 @@
+// DISABLE-ERRORS
+
+expect class My(a: Int, b: String) {
+    fun test()
+
+    constructor(b: String, a: Int)
+}