Add deterministic `TestDispatcher`

Co-Authored-By: Conrad Irwin <conrad@zed.dev>
Co-Authored-By: Max Brunsfeld <max@zed.dev>
Co-Authored-By: Kyle Caverly <kyle@zed.dev>
3566d920c5Antonio Scandurra committed on 10/25/2023, 3:33:55 PMparent437d147
10 files changedLine totals unavailable