retrieval mechanism consumer spec updates#210

elizabeth-hill wants to merge 9 commits intomasterNHSDigital/nrl-consumer-api:masterfrom

feature/elhi1-NRL-1648-retreival-mechs-consumer-specNHSDigital/nrl-consumer-api:feature/elhi1-NRL-1648-retreival-mechs-consumer-specCopy head branch name to clipboard