t7610-mergetool: use test_cmp instead of test $(cat file) = $txt

diff --git a/t/t5531-deep-submodule-push.sh b/t/t5531-deep-submodule-push.sh
index e2c37fd9785d2a47f85853a3611006609381c54c..4ad059e6bedf8ddf2a0db9c20f70ee1c3cd6da15 100755 (executable)
--- a/t/t5531-deep-submodule-push.sh
+++ b/t/t5531-deep-submodule-push.sh
@@ -363,7 +363,7 @@ test_expect_success 'push succeeds if submodule has no remote and is on the firs
                ) &&
                git add b &&
                git commit -m "added submodule" &&
-               git push --recurse-submodule=check origin master
+               git push --recurse-submodules=check origin master
        )
 '