move selected classes to inner in one step (IDEA-39729 )

java/java-tests/testData/refactoring/moveClassToInner/simultaneousMove/after/pack2/A.java

@@ -0,0 +1,17 @@
+package pack2;
+
+public class A {
+    /**
+     * pack2.A.Class0
+     */
+    public static class Class1 {
+      Class0 cl0;
+    }
+
+    /**
+     * pack2.A.Class1
+     */
+    public static class Class0 {
+      Class1 cl1;
+    }
+}