diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1129ea0..fab1090 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,3 +16,7 @@ jobs:
       - name: test bash verify.sh
         run: ./test.sh | ./verify.sh -t verify-cli-bash
         working-directory: bash
+
+      - name: failure returns non-zero exit code
+        run: '! (./verify.sh -t failing-test -d echo <<< "input")'
+        working-directory: bash
diff --git a/.gitignore b/.gitignore
index 6c23218..3888097 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.received*
+bash/failing-test.approved