tests: only call check-code once
The accepted warnings list is now empty, let's try to keep it that way.
--- a/tests/test-check-code-hg.t Wed Nov 28 10:35:12 2012 -0800
+++ b/tests/test-check-code-hg.t Mon Nov 26 15:59:02 2012 -0600
@@ -5,6 +5,7 @@
> echo "skipped: not a Mercurial working dir" >&2
> exit 80
> fi
- $ hg manifest | xargs "$check_code" || echo 'FAILURE IS NOT AN OPTION!!!'
- $ hg manifest | xargs "$check_code" --warnings --nolineno --per-file=0 || true
+New errors are not allowed. Warnings are strongly discouraged.
+
+ $ hg manifest | xargs "$check_code" --warnings --nolineno --per-file=0