[API Gateway] refactors and restructures the end-to-end (E2E) test data generation #212

ivma1-nhs wants to merge 11 commits intomainNHSDigital/eligibility-signposting-api:mainfrom

test/ivma-dynamodb-data-uploaderNHSDigital/eligibility-signposting-api:test/ivma-dynamodb-data-uploaderCopy head branch name to clipboard