update dependencies to fix depracation warning coming from enzyme and…

… React 15.5 see enzymejs/enzyme#876

package.json

@@ -23,8 +23,8 @@
   },
   "homepage": "https://github.com/Lawton/react-testing-example#readme",
   "dependencies": {
-    "react": "^15.3.2",
-    "react-dom": "^15.3.2"
+    "react": "^15.5.4",
+    "react-dom": "^15.5.4"
   },
   "devDependencies": {
     "babel-core": "^6.17.0",
@@ -33,10 +33,11 @@
     "babel-preset-es2015": "^6.16.0",
     "babel-preset-react": "^6.16.0",
     "chai": "^3.5.0",
-    "enzyme": "^2.4.1",
+    "enzyme": "^2.8.2",
     "html-webpack-plugin": "^2.22.0",
     "mocha": "^3.1.2",
     "react-addons-test-utils": "^15.5.1",
+    "react-test-renderer": "^15.5.4",
     "sinon": "^1.17.6",
     "webpack": "^1.13.2",
     "webpack-dev-server": "^1.16.1"