📰 Add tests for Tile and TileGroup

testing/android/junit/java/src/org/chromium/testing/local/AnnotationProcessor.java

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.testing.local;
 
 import org.junit.rules.ExternalResource;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;
 
@@ skipping 29 matching lines @@
     private Description mTestDescription;
     private T mAnnotation;
 
     public AnnotationProcessor(Class<T> annotationClass) {
         mAnnotationClass = annotationClass;
     }
 
     @Override
     public Statement apply(Statement base, Description description) {
         mTestDescription = description;
-        mAnnotation = description.getAnnotation(mAnnotationClass);
+        mAnnotation = getAnnotation(description);
         if (mAnnotation == null) return base;
 
         // Return the wrapped statement to execute before() and after().
         return super.apply(base, description);
     }
 
     /** @return {@link Description} of the current test. */
     protected Description getTestDescription() {
         return mTestDescription;
     }
 
     /** @return the annotation that caused the test to be processed. */
     protected T getAnnotation() {
         return mAnnotation;
     }
+
+    private T getAnnotation(Description description) {
+        T annotation = description.getAnnotation(mAnnotationClass);
+        if (annotation != null) return annotation;
+
+        annotation = description.getTestClass().getAnnotation(mAnnotationClass);
+        return annotation;
+    }
 }