git commit -a -m aa-master
'
-test_expect_success 'mixed-success push returns error' '! git push'
+test_expect_success 'mixed-success push returns error' '
+ test_must_fail git push origin :
+'
test_expect_success 'check tracking branches updated correctly after push' '
test "$(git rev-parse origin/master)" = "$(git rev-parse master)"