Merge code for TestMockConfig into TestCaseDatabase, the only place it was used.
Removing unused mocks
Somehow this got missed
Merge pull request #164 from dongilbert/testCleanup

Remove unused mock testing classes
Add testing for SqliteDriver
Additional database testing + bug fixes

- Expand database coverage on MySQL(i) and SQLite drivers
- Modify MysqliDriver::getCollation() to not depend on a specific table
- DatabaseDriver::getConnectors() not returning connectors