t7003: Use test_commit instead of custom function

diff --git a/t/t1001-read-tree-m-2way.sh b/t/t1001-read-tree-m-2way.sh
index 0c562bb820cb747a8f0d0df1eabb39da0b9eea21..93ca84f9e6d3dfd859d8bd4941f4d2c5a354ab6c 100755 (executable)
--- a/t/t1001-read-tree-m-2way.sh
+++ b/t/t1001-read-tree-m-2way.sh
@@ -359,7 +359,7 @@ test_expect_success \
 
 test_expect_success \
     'a/b (untracked) vs a, plus c/d case test.' \
-    '! git read-tree -u -m "$treeH" "$treeM" &&
+    'test_must_fail git read-tree -u -m "$treeH" "$treeM" &&
      git ls-files --stage &&
      test -f a/b'