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

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA65377.java

@@ -1,4 +1,4 @@
-public class C1<T extends C1<T>>{
+class C1<T extends C1<T>>{
   public static class C2<K extends C1<K>> extends C1<K>{}
   public static class C3<Z> extends C2<<error descr="No wildcard expected">? extends C3<Z></error>>{}
 }