markoheijnen/wp-db-driver — pull request #7 by kurtpayne (2013-07-06 05:31:23+00:00)
Title: Compatibility fixes for unit tests. PHPUnit will save global state with ...

...serialize/unserialize, but PDO connections can't be serialized, so they should be discarded. The unit test setUp() method will handle the db reconnect for us.