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

    public function testAddsUserAgentToRequest()
    {
        $requestWrapper = new RequestWrapper(['httpHandler' => function ($request, $options = []) {
            $userAgent = $request->getHeaderLine('User-Agent');
            $this->assertEquals('gcloud-php/' . ServiceBuilder::VERSION, $userAgent);
            return new Response(200);
        }, 'accessToken' => 'abc']);
        $requestWrapper->send(new Request('GET', 'http://www.example.com'));
    }