yarn test:all doesn't run tests written in karma

[trivikr]

Describe the bug

• yarn test:all doesn't run tests written in karma

  aws-sdk-js-v3/package.json

  Line 17 in 176ec93

  "test:all": "jest --coverage --passWithNoTests",

• Since we've planned to use Jest for future integration tests (example PR feat: jest integ tests for dynamodb #580), we should move karma tests to jest

To Reproduce (observed behavior)

• Run yarn test:all
• Notice that tests are not run for packages which use karma (like hash-blob-browser)

Expected behavior
Tests are run for packages which use karma - recommendation is to move them to Jest instead

[trivikr]

Documentation on using Jest with Puppeteer https://jestjs.io/docs/en/puppeteer

[trivikr]

QAWolf for writing browser tests faster https://www.qawolf.com/

[AllanZhengYP]

Currently we test packages with karma test explicitly like:

aws-sdk-js-v3/package.json

Line 17 in 15a66c7

"test:all": "jest --coverage --passWithNoTests && lerna run test --scope @aws-sdk/stream-collector-browser --scope @aws-sdk/hash-blob-browser",

We will investigate jest-puppeteer solution. Label this as a feature request.

[github-actions]

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