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

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA120370.java

@@ -1,7 +1,7 @@
 import java.util.List;
 import java.util.concurrent.Callable;
 
-public class Tmp {
+class Tmp {
   static void doo(Runnable action){}
   static void doo(Callable<?> action){}