tests: improve message in 'require_membership_in_two_groups_' function

* tests/init.cfg (require_membership_in_two_groups_): Add quotes
around the suggested groups for the COREUTILS_GROUPS variable.

diff --git a/tests/init.cfg b/tests/init.cfg
index 7e05d0dfa0672e75ab6cfe6f85fb255d00bd425f..56df0336488a8b8f76202f80885c0eb2b6a934ec 100644 (file)
--- a/tests/init.cfg
+++ b/tests/init.cfg
@@ -295,7 +295,7 @@ are a member of at least two groups, then rerun this test with
 COREUTILS_GROUPS set in your environment to the space-separated list
 of group names or numbers.  E.g.,
 
-  env COREUTILS_GROUPS='users cdrom' make check
+  env COREUTILS_GROUPS='\''users cdrom'\'' make check
 
 '
      ;;