Evan Hahn 7deb93ee98 Test scheduler: handle advancement to current time or earlier ... This change should have no user impact. Two changes: 1. Calling `advance(to: timeInThePast)` is now a fatal error. 2. Calling `advance(to: currentTime)` is now tested.		2023-03-06 12:23:13 -06:00
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TestScheduler.swift	Test scheduler: handle advancement to current time or earlier	2023-03-06 12:23:13 -06:00
TestSchedulers.swift	Add RegistrationCoordinator	2023-02-14 08:50:24 -08:00