Update openforcefield/tests/test_parameters.py
Update openforcefield/tests/test_parameters.py

Co-authored-by: Jeff Wagner <6c6b0efa7d3bb1e5f7b3658907b2701834105828@gmail.com>
openforcefield/openff-toolkit,open-forcefield-group/openforcefield,openforcefield/openff-toolkit,open-forcefield-group/openforcefield,open-forcefield-group/openforcefield