fix(train): translate the score screen loading states and scenario line (qa twin)
- fix(train): translate the score screen loading states and scenario line
- test(i18n): fail on any key called but defined in no bundle, warn in dev
- Merge pull request #871 from tpromni/fix/train-score-screen-i18n-qa
Source: tpromni/coach-pulse-consumer-ui → qa