Failing test for watching a SubFileSystem involving case sensitivity Watcher events get silently discarded if all conditions are met: * SubFileSystem was created with incorrect case * Changed file path includes a ~ * Any segment of changed file path is short enough to possibly be a SFN Avoid calling Path.GetFullPath for already-rooted paths Fixes TestSubFileSystem.TestWatcherCaseSensitive Use a ManualResetEvent in TestSubFileSystem.TestWatcherCaseSensitive A bit friendlier for CI runners Refactor FileSystemWatcher tests to use ManualResetEvent As requested in xoofx/zio/pull/92#discussion_r1648812981 Merge pull request #92 from Facepunch/fix/sub-watcher-case-sensitive Fix SubFileSystem watcher (sometimes) silently discarding events Merge pull request #93 from Facepunch/fix/watcher-test-wait-handles Refactor FileSystemWatcher tests to use ManualResetEvent