Replace enzyne with react-testing-library

Author: techniq

package.json

@@ -15,13 +15,12 @@
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-plugin-transform-react-jsx": "^6.24.1",
     "babel-preset-env": "^1.6.1",
-    "enzyme": "^3.3.0",
-    "enzyme-adapter-react-16": "^1.1.1",
     "fetch-mock": "^6.3.0",
     "jest": "^22.4.3",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
-    "react-test-renderer": "^16.2.0"
+    "react-test-renderer": "^16.2.0",
+    "react-testing-library": "^2.3.0"
   },
   "peerDependencies": {
     "react": ">=15.4.2"