Added a new test for ExternalPerturbationLangevinIntegrator.reset_protocol_work(). The code that was shared with other tests for ExternalPerturbationLangevinIntegrator was pulled into two new functions. This should simplify the readability of the current tests and make it easier to write new ones.
Added a new test for ExternalPerturbationLangevinIntegrator.reset_protocol_work(). The code that was shared with other tests for ExternalPerturbationLangevinIntegrator was pulled into two new functions. This should simplify the readability of the current tests and make it easier to write new ones.

choderalab/openmmtools,choderalab/openmmtools