Big change in quickfix tests: no stupid test data format with "before" and "after" file prefixes

idea/testData/quickfix/migration/replaceJavaClassAsAnnotationParameter/defaultRuntime.kt

@@ -0,0 +1,14 @@
+// "Replace Class<T> with KClass<T> in whole annotation" "true"
+// WITH_RUNTIME
+
+annotation class Ann(
+    val arg1: Int,
+    val arg2: Class<*><caret> = javaClass<Int>(),
+    val arg3: Array<Class<out Any?>> = array(javaClass<String>()),
+    vararg val arg4: Class<out Any?> = array(javaClass<Double>())
+)
+
+Ann(arg1 = 1) class MyClass1
+Ann(arg1 = 2, arg2 = javaClass<Boolean>()) class MyClass2
+Ann(arg1 = 3, arg3 = array(javaClass<Boolean>())) class MyClass3
+Ann(arg1 = 4, arg4 = javaClass<String>()) class MyClass4