diff --git a/tests/16_prelude_fail.tush b/tests/16_prelude_fail.tush
new file mode 100644
index 0000000..b616902
--- /dev/null
+++ b/tests/16_prelude_fail.tush
@@ -0,0 +1,7 @@
+
+TODO shall we delete this?
+
+#$ cd "$MYDIR"; ./$MAKESURE -f tests/16_prelude_fail.sh
+#| hello
+#|   prelude failed
+#? 47
diff --git a/tests/16_prelude_fail.tush.TBD.txt b/tests/16_prelude_fail.tush.TBD.txt
deleted file mode 100644
index cccdaf2..0000000
--- a/tests/16_prelude_fail.tush.TBD.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-
-
-$ cd "$MYDIR"; ./$MAKESURE -f tests/16_prelude_fail.sh
-| hello
-|   prelude failed
-? 47