git p4 test: make sure P4CONFIG relative path works

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index de7d45352e001d3c1b2c7f24361dc38dd9e0ea0a..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
        ) &&