public function testUnsetHeader() { $request_key = 'X-Request-Id'; $request_value = '1'; $data = array('test' => 'server', 'key' => 'HTTP_X_REQUEST_ID'); $curl = new Curl(); $curl->setHeader($request_key, $request_value); $curl->get(Test::TEST_URL, $data); $this->assertEquals($request_value, $curl->response); $curl = new Curl(); $curl->setHeader($request_key, $request_value); $curl->unsetHeader($request_key); $curl->get(Test::TEST_URL, $data); $this->assertEquals('', $curl->response); }