t7502: perform commits using alternate editor in a subshell

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index f1a94f7ca128655de04df01a8b3479b0b95bc18a..2683cba7e3f0ba7fbb7ea1752a39a6068fc91718 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -133,6 +133,7 @@ test_expect_success 'submodule add --branch' '
        (
                cd addtest &&
                git submodule add -b initial "$submodurl" submod-branch &&
+               test "initial" = "$(git config -f .gitmodules submodule.submod-branch.branch)" &&
                git submodule init
        ) &&
 
@@ -438,8 +439,8 @@ test_expect_success 'moving to a commit without submodule does not leave empty d
        git checkout second
 '
 
-test_expect_success 'submodule <invalid-path> warns' '
-       test_failure_with_unknown_submodule
+test_expect_success 'submodule <invalid-subcommand> fails' '
+       test_must_fail git submodule no-such-subcommand
 '
 
 test_expect_success 'add submodules without specifying an explicit path' '