test: birth names (#12226)

* add birth names fixture

* fix birth names related tests

* fix test_import_v0_dataset_cli_export columns order

* fix celery tests drop table

* fix mysql datetime type

* fix mysql typo in charts/api_tests

* refactor

* add licence

* fix use fixture for presto

* fix presto, hive query

* fix flaky metadata

* fix mysql bigint type

* fix run query

* fix hive datatype in metadata

* fix slice owner for cypress

* refactor num_boys num_girls

* fix is_dttm column

* debug logging

* fix query offset

* fix presto ds type in metadata

* fix presto ds type

* clean up debug logging