Run tests for all web app packages in CI (#22579)

* Run tests for all web app packages in CI

* Test specific packages instead of all of them

* Revert back to using test-ci scripts and rely on Jest to count the number of CPU cores

* Revert more changes made to the web app CI tests

* Fix path to client package tests

webapp/playbooks/package.json

@@ -126,7 +126,7 @@
     "fix": "eslint --ignore-pattern node_modules --ignore-pattern dist --ext .js --ext .jsx --ext tsx --ext ts . --quiet --fix --cache",
     "test": "jest --forceExit --detectOpenHandles --verbose",
     "test:watch": "jest --watch",
-    "test-ci": "jest --forceExit --detectOpenHandles --maxWorkers=2",
+    "test-ci": "jest --ci --forceExit --detectOpenHandles --maxWorkers=100%",
     "check-types": "tsc -b",
     "extract": "formatjs extract 'src/**/*.{ts,tsx}' --out-file i18n/temp.json --id-interpolation-pattern '[sha512:contenthash:base64:6]' && formatjs compile 'i18n/temp.json' --out-file i18n/en.json && rm i18n/temp.json",
     "graphql": "graphql-codegen --config graphql_gen.ts",