Beginning work on a functional testing bundle.
Preparing support for SQLite databases.
Using a specific version of PHPUnit for testing.
Adding support for functional database testing.
Using a test entity to verify OrmTrait functions as intended.

This entity will only be available in the test environment (--env=test) since the bundle itself has been configured in the `AppKernel` class as only to be loaded in that environment.
Using a different parameter file for each database driver being tested.