Update test_mt_captcha.py

Author: Andrei

tests/test_mt_captcha.py

@@ -63,7 +63,7 @@ def test_proxy_err(self, captcha_type: str):
         assert isinstance(resp, CaptchaResponseSer)
         assert resp.status == ResponseStatusEnm.Processing
         assert resp.errorId == 1
-        assert resp.errorCode == "ERROR_INVALID_TASK_DATA"
+        assert resp.errorCode == "ERROR_PROXY_CONNECT_REFUSED"
         assert resp.solution is None
 
     @pytest.mark.parametrize("captcha_type", captcha_types)
@@ -74,5 +74,5 @@ async def test_aio_proxy_err(self, captcha_type: str):
         assert isinstance(resp, CaptchaResponseSer)
         assert resp.status == ResponseStatusEnm.Processing
         assert resp.errorId == 1
-        assert resp.errorCode == "ERROR_INVALID_TASK_DATA"
+        assert resp.errorCode == "ERROR_PROXY_CONNECT_REFUSED"
         assert resp.solution is None