SparkPost\Test\SparkPostResponseTest::testHasHeader PHP Method

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