Those old tests make it impossible in the current state to abstract away.
* No DB required * Fixed phpunit 5.4 warnings
* No longer require DB
* Move a-b to PSR-4 * Move c-d to PSR-4 * Move e+g to PSR-4 * Move h-l to PSR-4 * Move m-r to PSR-4 * Move s-u to PSR-4 * Move files/ to PSR-4 * Move remaining tests to PSR-4 * Remove Test\ from old autoloader
