IDEA-120784 "Class is public should be declared in a file named <Classname>.java" for inner interface

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/ambiguousIDEA67837/pck/AmbiguousMethodCall.java

@@ -3,7 +3,7 @@ package pck;
 import static pck.D.foo;
 import static pck.C.foo;
 
-public class C {
+class C {
      public static <T> void foo(Comparable<? extends Comparable<T>> x){}
 }