t7300: mark test with SANITY

The test runs `chmod 0` on a file to test a case where Git fails to
read it, but that would not work if it is run as root.

Reported-by: Jan Keromnes <janx@linux.com>
Fix-proposed-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
index 86ceb38..b89fd2a 100755 (executable)
--- a/t/t7300-clean.sh
+++ b/t/t7300-clean.sh
@@ -495,7 +495,7 @@ test_expect_success 'should not clean submodules' '
        test_path_is_missing to_clean
 '
 
-test_expect_success POSIXPERM 'should avoid cleaning possible submodules' '
+test_expect_success POSIXPERM,SANITY 'should avoid cleaning possible submodules' '
        rm -fr to_clean possible_sub1 &&
        mkdir to_clean possible_sub1 &&
        test_when_finished "rm -rf possible_sub*" &&