removed test utils

Author: Malte Wessel

package.json

@@ -62,7 +62,6 @@
     "karma-webpack": "^1.6.0",
     "mocha": "^2.2.5",
     "react": "^16.0.0",
-    "react-addons-test-utils": "^16.0.0",
     "react-dom": "^16.0.0",
     "rimraf": "^2.3.4",
     "simulant": "^0.2.2",

yarn.lock

@@ -1981,7 +1981,7 @@ fbjs@^0.8.16:
     setimmediate "^1.0.5"
     ua-parser-js "^0.7.9"
 
-fbjs@^0.8.4, fbjs@^0.8.9:
+fbjs@^0.8.9:
   version "0.8.12"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.12.tgz#10b5d92f76d45575fd63a217d4ea02bea2f8ed04"
   dependencies:
@@ -3629,13 +3629,6 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"react-addons-test-utils@^0.14.0 || ^15.0.0":
-  version "15.5.1"
-  resolved "https://registry.yarnpkg.com/react-addons-test-utils/-/react-addons-test-utils-15.5.1.tgz#e0d258cda2a122ad0dff69f838260d0c3958f5f7"
-  dependencies:
-    fbjs "^0.8.4"
-    object-assign "^4.1.0"
-
 react-dom@^16.0.0:
   version "16.0.0"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.0.0.tgz#9cc3079c3dcd70d4c6e01b84aab2a7e34c303f58"