Real web app scenario; Linux Chromium, 1280x800, light theme.
Server git executable: built Git 2.24.4, installed into the scenario server command directory.

Base 77d3358a1f6f49a6a0da05d815c52ddf0485caee
UI: Action failed / GitVcsDriver.commit.addSelected
git log -1 --format=%s: Initial commit
git status --porcelain:
 M a.txt
 M b.txt
 M c.txt
git diff --cached --name-only: (empty)

Head f45787578a1d7b8d5ef2ba5258e8d5f23800eaf0
UI: Committed / Commit a and b only
git log -1 --format=%s: Commit a and b only
git diff-tree --no-commit-id --name-only -r HEAD:
a.txt
b.txt
git status --porcelain:
 M c.txt
git diff --cached --name-only: (empty)

scenarios:prove exit code: 0
failsOnBase: true
passesOnHead: true