for me running tests like this worked:
yarn test ./filename.test.tsx ❌ yarn test filename.test.tsx ✅
yarn test ./filename.test.tsx ❌
yarn test filename.test.tsx ✅
similarly
npm run test ./filename.test.tsx ❌ npm run test filename.test.tsx ✅
npm run test ./filename.test.tsx ❌
npm run test filename.test.tsx ✅