message: fix undo-redo policy-check
diff: "dependencies": {
  "@microsoft/fluid-map": "^0.13.0",
  "@microsoft/fluid-merge-tree": "^0.13.0",
  - "@microsoft/fluid-sequence": "^0.13.0",
  - "@microsoft/fluid-test-runtime-utils": "^0.13.0"
  + "@microsoft/fluid-sequence": "^0.13.0"
  },
  "devDependencies": {
  "@microsoft/api-extractor": "^7.4.4",
  "@microsoft/eslint-config-fluid": "^0.13.0",
  "@microsoft/fluid-build-common": "^0.13.0",
  + "@microsoft/fluid-test-runtime-utils": "^0.13.0",
  "@types/diff": "^3.5.1",
  "@types/mocha": "^5.2.5",
  "@types/random-js": "^1.0.31",
  