git log 000000000...
'
-test_expect_failure 'rev-parse name1..name2 takes only commit-ishes on both ends' '
+test_expect_success 'rev-parse name1..name2 takes only commit-ishes on both ends' '
git rev-parse 000000000..000000000 &&
git rev-parse ..000000000 &&
git rev-parse 000000000..