test-lib.sh: add --long-tests option

diff --git a/t/README b/t/README
index 70841a4645b2469d8263553a7ba41d4f953774f7..dc892631e00c16ef1477b8ab9b157a27dece91fe 100644 (file)
--- a/t/README
+++ b/t/README
@@ -54,6 +54,10 @@ You can pass --verbose (or -v), --debug (or -d), and --immediate
        This causes the test to immediately exit upon the first
        failed test.
 
+--long-tests::
+       This causes additional long-running tests to be run (where
+       available), for more exhaustive testing.
+
 
 Naming Tests
 ------------