Unit test for PMA_server_collations
1 add mock date for PMA_server_collations_test
2 add test for PMA_server_plugins
add $GLOBALS['cfg']['DBG']['sql'] = false; for UI testing
Merge pull request #480 from xmujay/0629_UT_serverview2

Unit test for server view refactor: PMA_server_collations and PMA_server_plugins