tests/test-help

run-tests.py: tell coverage.py to ignore errors

Otherwise there'll be some IOErrors when it tries to open python
files created during the execution of e.g. test-hook.

#!/bin/sh

hg
hg -q
hg help
hg -q help
hg add -h
hg add --skjdfks
hg help diff
hg help status
hg -q help status
hg help foo
hg skjdfks

exit 0