SparkPost\Test\SparkPostResponseTest::testWithAddedHeader PHP Method

    public function testWithAddedHeader()
    {
        $param = 'header';
        $param2 = 'value';
        $this->responseMock->shouldReceive('withAddedHeader')->andReturn($this->returnValue);
        $sparkpostResponse = new SparkPostResponse($this->responseMock);
        $this->assertEquals($this->responseMock->withAddedHeader($param, $param2), $sparkpostResponse->withAddedHeader($param, $param2));
    }