tests: don't infloop for manual test invocation with unrecognized option

* tests/test-lib.sh: Diagnose an invalid option.

diff --git a/tests/test-lib.sh b/tests/test-lib.sh
index 8d6ba7f..808b794 100644 (file)
--- a/tests/test-lib.sh
+++ b/tests/test-lib.sh
@@ -51,6 +51,7 @@ do
                exit 0 ;;
        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
                verbose=t; shift ;;
+       *) echo "invalid option: $1"; exit 1;;
        esac
 done