remove unused session_helper methods to up test cov
test sidekiq workers and integration tests
test sidekiq workers and integration tests
extracted constants to module
Merge pull request #36 from mule-deer-2013/channel_preference_sanitizing

extracted constants to module
Merge branch 'article_worker_tests' of https://github.com/mule-deer-2013/NewsShark into article_worker_tests
DRY up the feature tests.
change 15 jobs to have_at_least(1) in test
Merge pull request #37 from mule-deer-2013/article_worker_tests

Article worker tests
set word_count ranges
merge master, passing tests