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

third_party/WebKit/Source/core/dom/ScriptModuleResolverImplTest.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/ScriptModuleResolverImpl.h"
 
 #include "bindings/core/v8/V8BindingForTesting.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/Modulator.h"
 #include "core/dom/ModuleScript.h"
@@ skipping 92 matching lines @@
     v8::Local<v8::Value> error =
         V8ThrowException::CreateError(scope.GetIsolate(), "hoge");
     module_script->SetErrorAndClearRecord(
         ScriptValue(scope.GetScriptState(), error));
   }
   return module_script;
 }
 
 }  // namespace
 
-class ScriptModuleResolverImplTest : public testing::Test {
+class ScriptModuleResolverImplTest : public ::testing::Test {
  public:
   void SetUp() override;
 
   ScriptModuleResolverImplTestModulator* Modulator() {
     return modulator_.Get();
   }
 
  protected:
   ScopedTestingPlatformSupport<TestingPlatformSupportWithMockScheduler>
       platform_;
@@ skipping 97 matching lines @@
                         scope.GetExceptionState());
   EXPECT_TRUE(scope.GetExceptionState().HadException());
   EXPECT_EQ(kUnknownError, scope.GetExceptionState().Code());
   EXPECT_TRUE(resolved.IsNull());
   EXPECT_EQ(1, modulator_->GetFetchedModuleScriptCalled());
   EXPECT_EQ(modulator_->FetchedUrl(), target_module_script->BaseURL())
       << "Unexpectedly fetched URL: " << modulator_->FetchedUrl().GetString();
 }
 
 }  // namespace blink