Utility method to abstract away datasource setup so we can later replace with an in-memory SQLite database
abstract away the datasource setup
Move Tag entity test to using consolidated utilities method for getting hold of test ready datasources
Switch to returning a PDO datasource, rather than a DSN to one
Replace DSN with Datasource in unit test setups
Utilities static object for unit test related stuff. like setting up unit test datasources
Switch unit tests to using a JotContent utilities class for setting up unit test datasources.
Move utilities object out of bootstrap into it's own utilities class in JotContent\Testing