add fixtures.TestDummy and transform method

package.json

@@ -47,6 +47,7 @@
     "electron-gh-releases": "^2.0.2",
     "font-awesome": "^4.3.0",
     "highlight.js": "^9.3.0",
+    "immutable": "^3.8.1",
     "lodash": "^4.11.1",
     "markdown-it": "^6.0.1",
     "markdown-it-checkbox": "^1.1.0",
@@ -75,11 +76,13 @@
     "dom-storage": "^2.0.2",
     "electron-packager": "^6.0.0",
     "electron-prebuilt": "^1.2.8",
+    "faker": "^3.1.0",
     "grunt": "^0.4.5",
     "grunt-electron-installer": "^1.2.0",
     "history": "^1.17.0",
     "jsdom": "^9.4.2",
     "merge-stream": "^1.0.0",
+    "mock-fs": "^3.11.0",
     "nib": "^1.1.0",
     "oh-my-cdn": "^0.1.1",
     "react": "^15.3.0",