JavaScript (v3): Tests - Silence console output during full unit test run. (#6878)

Author: cpyle0819

javascriptv3/package.json

@@ -2,7 +2,7 @@
  "name": "root",
  "private": true,
  "scripts": {
- "test": "npm run test --workspaces --if-present",
+ "test": "npm run test --workspaces --if-present -- --silent",
  "integration-test": "npm run integration-test --workspaces --if-present -- --silent; exit_code=$?; npm run merge-test-results; npm run log-tests; exit ${exit_code:-99}",
  "merge-test-results": "jrm test-results.xml \"**/test_results/**/*.junit.xml\"",
  "log-tests": "cat test-results.xml",