message: Add npm scripts for running presentation tests
diff: "test:example-code-snippets": "cd example-code/snippets && npm run test",
  "test:example-code-app": "cd example-code/app && npm run test",
  "test:perf": "cd core/backend && npm run perftest",
  + "test:presentation": "npm run test:presentation-common && npm run test:presentation-backend && npm run test:presentation-frontend && npm run test:presentation-components && npm run test:presentation-integration",
  + "test:presentation-common": "cd presentation/common && npm test -s",
  + "test:presentation-backend": "cd presentation/backend && npm test -s",
  + "test:presentation-frontend": "cd presentation/frontend && npm test -s",
  + "test:presentation-components": "cd presentation/components && npm test -s",
  + "test:presentation-integration": "cd test-apps/presentation-integration-tests && npm test -s",
  "test:ui": "npm run test:ui-core && npm run test:ui-components && npm run test:ui-ninezone && npm run test:ui-framework",
  "test:ui-components": "cd ui/components && npm test -s",
  "test:ui-core": "cd ui/core && npm test -s",
  