QuickFixMultiModule: change tests structure

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

@@ -0,0 +1,15 @@
+// "Create actual interface for module testModule_JVM (JVM)" "true"
+
+expect interface <caret>Interface {
+    fun foo(param: String): Int
+
+    fun String.bar(y: Double): Boolean
+
+    val isGood: Boolean
+
+    var status: Int
+
+    class Nested {
+        fun bar()
+    }
+}

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

@@ -0,0 +1,15 @@
+// "Create actual interface for module testModule_JVM (JVM)" "true"
+
+expect interface Interface {
+    fun foo(param: String): Int
+
+    fun String.bar(y: Double): Boolean
+
+    val isGood: Boolean
+
+    var status: Int
+
+    class Nested {
+        fun bar()
+    }
+}