fun mockResponse() {
    var mockResponse: MockResponse = MockResponse()
    var status: String = mockResponse.status
    status = mockResponse.status
    mockResponse.status = ""
    mockResponse = mockResponse.setResponseCode(0)
    var headers: Headers = mockResponse.headers
    var trailers: Headers = mockResponse.trailers
    mockResponse = mockResponse.clearHeaders()
    mockResponse = mockResponse.addHeader("")