API Unit Tests

[aamathews23]

• update to vitest instead of jest in API tests
• https://www.prisma.io/docs/orm/prisma-client/testing/unit-testing#example-unit-tests
• https://www.npmjs.com/package/ioredis-mock

[aamathews23]

Test strategy

API

• Unit tests for transformers and other data mod functions.
• Integration tests for DB and Redis functions.
• Create Docker compose scripts for integration tests. https://alemtuzlak.hashnode.dev/integration-testing-remix-apps-with-vitest-typescript-docker#heading-threads
• ~E2E tests in the server app consuming the API.~

UI

• Unit tests of components. Switch to vitest.
• E2E tests of game app.