diff --git a/__test__/entrypoint.sh b/__test__/entrypoint.sh
index 7dc7ccd..90dd455 100755
--- a/__test__/entrypoint.sh
+++ b/__test__/entrypoint.sh
@@ -20,6 +20,7 @@ cd /git/local/test-base
 git config --global user.email "you@example.com"
 git config --global user.name "Your Name"
 echo "#test-base" > README.md
+echo "b/" > .gitignore
 git add .
 git commit -m "initial commit"
 git push -u