run-unittests.sh: fix a typo
run-unittests.sh: fix a typo

NOST_HTML_OUT_FILE -> NOSE_HTML_OUT_FILE

Change-Id: Ia6e30a6fbda9ea5abb0401fe30c9d3aa9faef90d
Closes-Bug: #1282408

open-switch/infra_puppet-jenkins,open-switch/infra_puppet-jenkins