commented tests for use interface where possible refactoring

java/java-tests/testData/refactoring/turnRefsToSuper/staticCallArguments/after/Main.java

@@ -0,0 +1,11 @@
+import java.util.*;
+interface Int {}
+class Impl implements Int {
+}
+
+class Usage {
+    void f(List<Int> l){}
+    void bar() {
+        f(Collections.<Int>emptyList());
+    }
+}

java/java-tests/testData/refactoring/turnRefsToSuper/staticCallArguments/before/Main.java

@@ -0,0 +1,11 @@
+import java.util.*;
+interface Int {}
+class Impl implements Int {
+}
+
+class Usage {
+    void f(List<Impl> l){}
+    void bar() {
+        f(Collections.<Impl>emptyList());
+    }
+}