Before https://github.com/mongodb-labs/drivers-evergreen-tools/pull/333, our ADL tests should have been failing but instead they were being skipped.  

https://spruce.mongodb.com/task/mongo_python_driver_data_lake_spec_tests__platform~rhel8_auth~auth_python_version~3.10_c_extensions~with_c_extensions_atlas_data_lake_tests_fbecc75b370818819d055ca1e5c0edc0d665ef47_23_07_27_16_22_51/logs?execution=0&sortBy=STATUS&sortDir=ASC

We need to use PYMONGO_MUST_CONNECT when running those tests.