Use syncify for remaining async test suites. (#353)

Author: mattgd

tests/conftest.py

@@ -117,24 +117,12 @@ def sync_http_client_for_test():
     return http_client
 
 
-@pytest.fixture
-def async_http_client_for_test():
-    _, _, http_client = _get_test_client_setup("AsyncHTTPClient")
-    return http_client
-
-
 @pytest.fixture
 def sync_client_configuration_and_http_client_for_test():
     _, client_configuration, http_client = _get_test_client_setup("SyncHTTPClient")
     return client_configuration, http_client
 
 
-@pytest.fixture
-def async_client_configuration_and_http_client_for_test():
-    _, client_configuration, http_client = _get_test_client_setup("AsyncHTTPClient")
-    return client_configuration, http_client
-
-
 @pytest.fixture
 def mock_http_client_with_response(monkeypatch):
     def inner(