Find Usages: Rename test class and move test data

idea/testData/findUsages/libraryUsages/kotlinLibrary/LibraryClassUsages.1.java

@@ -0,0 +1,14 @@
+package usages
+
+import library.*
+
+class J extends A {
+    public J(int n) {
+        super(n);
+    }
+
+    static void test() {
+        A a = new A();
+        A aa = new A(1);
+    }
+}