Fix tests

package.json

@@ -38,6 +38,7 @@
   "devDependencies": {
     "babel-jest": "21.2.0",
     "jest": "21.2.1",
+    "react-dom": "^16.0.0",
     "react-test-renderer": "16.0.0"
   },
   "jest": {

src/App.js

@@ -10,6 +10,7 @@ import {ApolloClient} from 'apollo-client';
 import {HttpLink} from 'apollo-link-http';
 import {InMemoryCache} from 'apollo-cache-inmemory';
 import {ApolloProvider} from "react-apollo";
+import 'isomorphic-fetch';
 
 import Dusken from "./Dusken";
 import duskenApp from "./reducers";

yarn.lock

@@ -3551,6 +3551,15 @@ react-devtools-core@^2.5.0:
     shell-quote "^1.6.1"
     ws "^2.0.3"
 
+react-dom@^16.0.0:
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.0.0.tgz#9cc3079c3dcd70d4c6e01b84aab2a7e34c303f58"
+  dependencies:
+    fbjs "^0.8.16"
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+
 react-native-confetti@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/react-native-confetti/-/react-native-confetti-0.0.6.tgz#a505e4e5a23bcb2cf554ba51362dfaf3ac17a100"