Updating Bokchoy testing database cache

common/test/db_cache/bok_choy_data_default.json

common/test/db_cache/bok_choy_migrations.sha1

common/test/db_cache/bok_choy_migrations_data_default.sql

...cache/bok_choy_migrations_data_student_module_history.sql

common/test/db_cache/bok_choy_schema_default.sql

.../test/db_cache/bok_choy_schema_student_module_history.sql