diff --git a/src/bank-lib/test_bank.sh b/src/bank-lib/test_bank.sh
index 694fb82f3..46be326b4 100755
--- a/src/bank-lib/test_bank.sh
+++ b/src/bank-lib/test_bank.sh
@@ -2,6 +2,12 @@
 
 set -eu
 
+# Exit, with status code "skip" (no 'real' failure)
+function exit_skip() {
+    echo $1
+    exit 77
+}
+
 # Cleanup to run whenever we exit
 function cleanup()
 {