Fix redirection to /dev/null of cleanup commands. The '2' was being
interpreted as part of the command instead of part of the redirect.
Change-Id: I2e3a591b165e0288c4b82b9ef475fdfd5392a90a
The --test-command argument has now been split, unit tests now use
`--unittest-command` and the testsuite uses --testsuite-command.
This will make it easier to create a script which run everything by
forwarding the same arguments to all CI scripts.
Change-Id: Ia54aa4848eaffbdf13175fcda40fc0b23080ad71