Python tests for sdk are broken

[zhilingc]

Expected Behavior

pytests should pass.

Current Behavior

Currently failing tests:

tests/sdk/test_client.py::TestClient::test_serving_response_to_df_with_missing_value FAILED   
tests/sdk/test_client.py::TestClient::test_serving_response_to_df_with_time_filter FAILED 
tests/sdk/utils/test_bq_utils.py::test_get_table_name FAILED  
tests/sdk/utils/test_bq_utils.py::test_query_to_dataframe FAILED 

Steps to reproduce

# install requirements
pip install -r test-requirements.txt
# additionally install fastavro
pip install fastavro
# install feast
pip install -e /path/to/feast/sdk/python

# run pytest in python sdk folder
pytest -v

Specifications

• Version: master