add react-addons-test-utils

Author: vkbansal

package.json

@@ -68,8 +68,9 @@
     "history": "^4.4.1",
     "jest": "^18.1.0",
     "jsdom": "^9.11.0",
-    "react": "^15.4.1",
-    "react-dom": "^15.4.1",
+    "react": "^15.4.2",
+    "react-addons-test-utils": "^15.4.2",
+    "react-dom": "^15.4.2",
     "react-router": "^3.0.0",
     "rimraf": "^2.5.4",
     "webpack": "^2.2.1",