CLN: Refactor test_coercion.py to Leverage Parametrization
A lot of the tests in ``tests/indexing/test_coercion.py`` would be great candidates for parametrization in pytest. At the very least, the ``TestReplaceSeriesCoercion`` class can be greatly simplified to match what was done in 4d8dbd0e6b5f673639a6665bb6bf074f5eee4906
