t5100: Avoid filename "nul"

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 5002fb04b58ea91572b58dcaf7fe92342f4eeab1..3bf570b068dd56c802e7bdcef0384aa8e1209985 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -368,7 +368,7 @@ test_done () {
        case "$test_failure" in
        0)
                # We could:
-               # cd .. && rm -fr trash
+               # cd .. && rm -fr 'trash directory'
                # but that means we forbid any tests that use their own
                # subdirectory from calling test_done without coming back
                # to where they started from.
@@ -419,7 +419,7 @@ rm -fr "$test" || {
 }
 
 test_create_repo "$test"
-cd "$test"
+cd "$test" || exit 1
 
 this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$')
 for skp in $GIT_SKIP_TESTS