t1510-repo-setup: mark as untraceable with '-x'

diff --git a/t/t5526-fetch-submodules.sh b/t/t5526-fetch-submodules.sh
index a552ad4ead899fbb431c68bef558811d25cd8c63..ce44d8aa4603f500e81117eecb0766b87be999de 100755 (executable)
--- a/t/t5526-fetch-submodules.sh
+++ b/t/t5526-fetch-submodules.sh
@@ -85,7 +85,7 @@ test_expect_success "fetch --recurse-submodules -j2 has the same output behaviou
        add_upstream_commit &&
        (
                cd downstream &&
-               GIT_TRACE=$(pwd)/../trace.out git fetch --recurse-submodules -j2 2>../actual.err
+               GIT_TRACE="$TRASH_DIRECTORY/trace.out" git fetch --recurse-submodules -j2 2>../actual.err
        ) &&
        test_must_be_empty actual.out &&
        test_i18ncmp expect.err actual.err &&