Update test_htsget_server.py

Author: daisieh

tests/test_htsget_server.py

@@ -36,9 +36,9 @@ def get_object(request):
 
 @pytest.fixture
 def htsget_ingest(requests_mock):
-    requests_mock.post(f"{DRS_URL}/ga4gh/drs/v1/objects", json=callback, status_code=200)
+    requests_mock.post(f"{DRS_URL}/ga4gh/drs/v1/objects", json=callback, status_code=200, real_http=True)
     matcher = re.compile(f"/ga4gh/drs/v1/objects/.+")
-    requests_mock.register_uri("GET", matcher, additional_matcher=get_object, status_code=200)
+    requests_mock.register_uri("GET", matcher, additional_matcher=get_object, status_code=200, real_http=True)
 
 
 def get_headers():