Be explicit about namespace testing to not mix it with blink::testing

third_party/WebKit/Source/core/dom/ModuleMapTest.cpp

 // Copyright 2017 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.
 
 #include "core/dom/ModuleMap.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Modulator.h"
 #include "core/dom/ModuleScript.h"
 #include "core/dom/ScriptModuleResolver.h"
@@ skipping 128 matching lines @@
         kParserInserted, WebURLRequest::kFetchCredentialsModeOmit);
     TaskRunner()->PostTask(
         BLINK_FROM_HERE,
         WTF::Bind(&ModuleScriptLoaderClient::NotifyNewSingleModuleFinished,
                   WrapPersistent(test_request->client.Get()),
                   WrapPersistent(module_script)));
   }
   test_requests_.clear();
 }
 
-class ModuleMapTest : public testing::Test {
+class ModuleMapTest : public ::testing::Test {
  public:
   void SetUp() override;
 
   ModuleMapTestModulator* Modulator() { return modulator_.Get(); }
   ModuleMap* Map() { return map_; }
 
  protected:
   Persistent<ModuleMapTestModulator> modulator_;
   Persistent<ModuleMap> map_;
 };
@@ skipping 81 matching lines @@
 
   EXPECT_TRUE(client->WasNotifyFinished());
   EXPECT_TRUE(client->GetModuleScript());
   EXPECT_FALSE(client->GetModuleScript()->HasInstantiated());
   EXPECT_TRUE(client2->WasNotifyFinished());
   EXPECT_TRUE(client2->GetModuleScript());
   EXPECT_FALSE(client2->GetModuleScript()->HasInstantiated());
 }
 
 }  // namespace blink