Remove create-react-class

test/components/stub-component.js

@@ -2,19 +2,19 @@
  */
 
 import React from 'react';
-import createReactClass from 'create-react-class';
 
-export default function(opts) {
-    opts = opts || {};
-    if (!opts.displayName) {
-        opts.displayName = 'StubComponent';
-    }
-
-    if (!opts.render) {
-        opts.render = function() {
+export default function({displayName = "StubComponent", render} = {}) {
+    if (!render) {
+        render = function() {
             return <div>{ this.displayName }</div>;
         };
     }
 
-    return createReactClass(opts);
+    return class extends React.Component {
+        static displayName = displayName;
+
+        render() {
+            return render();
+        }
+    };
 }