CCM-13787 - create supplier mock for testing#535

Vlasis-Perdikidis wants to merge 10 commits intomainNHSDigital/nhs-notify-supplier-api:mainfrom

feature/CCM-13787-createSupplierMockForTestingNHSDigital/nhs-notify-supplier-api:feature/CCM-13787-createSupplierMockForTestingCopy head branch name to clipboard