- reverseproxy: TestHostActiveHealthCounters and TestHostResetHealth
tested Host.activeHealth*/countHealth*/resetHealth methods, which
master #7916 moved to Upstream.
- rewrite: rewrite_utils_test.go tested the reverse() helper, which
master #7877 removed as part of a strip_path_suffix bug fix.
- root: Config.cancelFunc changed from context.CancelFunc to
context.CancelCauseFunc upstream; pass nil cause in the test cleanup.