Add more tests and add coverage dependency

__tests__/RoomItem.js

__tests__/__snapshots__/RoomItem.js.snap

app/animations/fade.js

app/index.js

app/views/roomsList.js

coverage/clover.xml

coverage/coverage-final.json

coverage/lcov-report/base.css

coverage/lcov-report/components/RoomItem.js.html

coverage/lcov-report/components/index.html

coverage/lcov-report/constants/colors.js.html

coverage/lcov-report/constants/index.html

coverage/lcov-report/index.html

coverage/lcov-report/prettify.css

coverage/lcov-report/prettify.js

coverage/lcov-report/sort-arrow-sprite.png

coverage/lcov-report/sorter.js

coverage/lcov-report/utils/avatarInitialsAndColor.js.html

coverage/lcov-report/utils/index.html

coverage/lcov.info