isLocalClass should work for nested local classes (IDEA-156777)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/NestedLocalClasses.java

@@ -0,0 +1,26 @@
+
+class Program {
+  public static void main(String[] args) {
+    int[] arr = {1,2,3};
+    final int x = arr.length;
+    {
+      class C {
+        class D {
+          int bar() {
+            return x;
+          }
+        }
+      }
+
+      new Runnable() {
+        class D {
+          int bar() {
+            return x;
+          }
+        }
+
+        public void run() {}
+      }.run();
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/StaticInInner.java

@@ -93,12 +93,12 @@ public class a {
     }
     void ff() {
       class inn {
-        <error descr="Inner classes cannot have static declarations">interface i</error> {}
+        <error descr="Interface not allowed here">interface i</error> {}
       }
     }
 
     Object o = new Runnable() {
-      <error descr="Inner classes cannot have static declarations">interface i</error> {}
+      <error descr="Interface not allowed here">interface i</error> {}
       public void run() {}
     };
   }