Feature name should not end with dot

Jenkins gets confused. See broken link at
https://integration.wikimedia.org/ci/view/BrowserTests/job/browsertests-
ContentTranslation-language-stage.wmflabs.org-linux-firefox/17/testRepor
t/Basic%20machine%20translation//Clicking_the_translation_area_and_getti
ng_a_translation/

Change-Id: Ic20bf3abbe745cfa965ef7a6327b1c21fd6d310b