CakeDC\Users\Test\TestCase\Auth\ApiKeyAuthenticateTest::testHeaderHappy PHP Method

    public function testHeaderHappy()
    {
        $request = $this->getMockBuilder('\\Cake\\Network\\Request')->setMethods(['header'])->getMock();
        $request->expects($this->once())->method('header')->with('api_key')->will($this->returnValue('xxx'));
        $this->apiKey->config('type', 'header');
        $result = $this->apiKey->authenticate($request, new Response());
        $this->assertEquals('user-2', $result['username']);
    }