Google\Cloud\Tests\RequestWrapperTest::testAddsTokenToRequest PHP Method

    public function testAddsTokenToRequest()
    {
        $accessToken = 'abc';
        $requestWrapper = new RequestWrapper(['httpHandler' => function ($request, $options = []) use($accessToken) {
            $authHeader = $request->getHeaderLine('Authorization');
            $this->assertEquals('Bearer ' . $accessToken, $authHeader);
            return new Response(200);
        }, 'accessToken' => $accessToken]);
        $requestWrapper->send(new Request('GET', 'http://www.example.com'));
    }