Fix running vim tests with --features neovim (#36014)

This was broken incidentally in
https://github.com/zed-industries/zed/pull/33417

A better fix would be to fix app shutdown to take control of the
executor so that we *can* run
foreground tasks; but that is a bit fiddly (draft #36015) 

Release Notes:

- N/A

Cargo.lock

@@ -18025,6 +18025,7 @@ dependencies = [
  "command_palette_hooks",
  "db",
  "editor",
+ "env_logger 0.11.8",
  "futures 0.3.31",
  "git_ui",
  "gpui",