We should capture logs in webkitscmpy.test.git_unittest.TestGit.test_alternative_default_branch so they do not polute testing scripts.
<rdar://problem/116409415>
Pull request: https://github.com/WebKit/WebKit/pull/18562
Committed 268859@main (afd80570ade3): <https://commits.webkit.org/268859@main> Reviewed commits have been landed. Closing PR #18562 and removing active labels.