chore: sqlalchemy test compliance suite cleanup (#1018)

* chore: remove code for sqlalchemy before 1_4

* reformatted with black:

* Removed sqlalchemy compliance tests from versions before 1.4

* removed code in base.py for sqlalchemy < 1.4

* fix coverage issues in base.py

* temporarily commented out code lines not passing coverage for testing purposes

* replaced functions previously removed for not passing cover

* testing removing functions for coverage

* add no cover tag to untested code and clean up commented out functions

* fix lint issues

* black

* Readded deleted tests and renamed them from deprecated names

* black

* chore: sqlalchemy test compliance suite cleanup code

* black

* black

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Co-authored-by: Sharoon Thomas <sharoon.thomas@fulfil.io>

Author: kiraksi