Unit Tests: The `test_set_allowed_incompatible_sql_mode()` test tries to set the `NO_ZERO_DATE` sql mode, which was removed in MySQL 5.7. This causes the test to incorrectly fail when run against MySQL 5.7.



git-svn-id: https://develop.svn.wordpress.org/trunk@30704 602fd350-edb4-49c9-b593-d223f7449a82