Tests on Tracim lays on:
In order to use the nosetests [...] commands, change your current directory to be tracim/ from the root of the project, also usually named tracim/ :
(tg2env) user@host:~/tracim$ cd tracim/
(tg2env) user@host:~/tracim/tracim$
nosetests
nosetests tracim/tests/models/test_content.py:TestContent.test_query
nosetests -s