Merge pull request #1 from BestBuyAPIs/fix-e2e-tests-for-phantomjs

changed selector for verifying categories
circle.yml with npm start as prereq to npm test
Merge pull request #2 from BestBuyAPIs/test_circleci

circle.yml with npm start as prereq to npm test
Merge branch 'master' into fix-e2e-tests-for-phantomjs