Merge pull request #10010 from metabase/test-data-refactor

modules/drivers/druid/test/metabase/test/data/druid.clj

modules/drivers/mongo/test/metabase/driver/mongo_test.clj

...drivers/sqlserver/test/metabase/driver/sqlserver_test.clj

src/metabase/db.clj

src/metabase/query_processor.clj

test/metabase/api/dataset_test.clj

test/metabase/api/table_test.clj

test/metabase/driver/mysql_test.clj

test/metabase/driver/postgres_test.clj

test/metabase/query_processor/async_test.clj

test/metabase/query_processor_test.clj

test/metabase/query_processor_test/breakout_test.clj

test/metabase/query_processor_test/date_bucketing_test.clj

test/metabase/query_processor_test/remapping_test.clj

test/metabase/query_processor_test/time_field_test.clj

test/metabase/query_processor_test/timezones_test.clj

test/metabase/sync/sync_metadata/comments_test.clj

test/metabase/sync/sync_metadata/tables_test.clj

test/metabase/test/data.clj

test/metabase/test/data/dataset_definitions.clj