setup mock browser object

package.json

@@ -77,6 +77,8 @@
     "mocha": "^5.0.0",
     "mocha-sinon": "^2.0.0",
     "mocha-traceur": "^2.1.0",
+    "mockzilla": "^0.9.0",
+    "mockzilla-webextension": "^0.9.0",
     "phantomjs": "^2.1.7",
     "popper.js": "^1.14.6",
     "prettier": "^2.2.1",
@@ -88,6 +90,7 @@
     "sinon-chai": "^2.8.0",
     "sinon-chrome": "^2.2.4",
     "traceur": "^0.0.111",
+    "ts-jest": "^26.4.4",
     "ts-loader": "^8.0.14",
     "ts-node": "^9.1.1",
     "typescript": "^4.1.3",