fix tests (kinda)

.gitignore

@@ -6,3 +6,4 @@ demo/dist
 npm-debug.log
 yarn.lock
 package-lock.json
+*.log

package.json

@@ -26,7 +26,7 @@
   },
   "dependencies": {
     "prop-types": "^15.5.10",
-    "react-autowhatever": "^10.1.2",
+    "react-autowhatever": "^10.2.1",
     "shallow-equal": "^1.0.0"
   },
   "peerDependencies": {
@@ -65,8 +65,8 @@
     "openurl": "^1.1.1",
     "postcss-loader": "^1.3.3",
     "prettier": "1.14.2",
-    "react": "^15.6.1",
-    "react-dom": "^15.6.1",
+    "react": "^16.13.0",
+    "react-dom": "^16.13.0",
     "react-modal": "^1.7.7",
     "react-transform-hmr": "^1.0.4",
     "sinon": "^1.17.7",

test/helpers.js

@@ -1,7 +1,6 @@
 import chai, { expect } from 'chai';
 import sinon from 'sinon';
 import sinonChai from 'sinon-chai';
-import SyntheticEvent from 'react-dom/lib/SyntheticEvent';
 import TestUtils, { Simulate } from 'react-dom/test-utils';
 
 chai.use(sinonChai);
@@ -39,7 +38,19 @@ export const init = application => {
   clearButton = TestUtils.scryRenderedDOMComponentsWithTag(app, 'button')[0];
 };
 
-export const syntheticEventMatcher = sinon.match.instanceOf(SyntheticEvent);
+// Since react-dom doesn't export SyntheticEvent anymore
+export const syntheticEventMatcher = sinon.match(value => {
+  if (typeof value !== 'object' || value === null) {
+    return false;
+  }
+
+  const proto = Object.getPrototypeOf(value);
+
+  if ('_dispatchListeners' in value && proto && proto.constructor.Interface) {
+    return true;
+  }
+  return false;
+}, 'of SyntheticEvent type');
 export const childrenMatcher = sinon.match.any;
 export const containerPropsMatcher = sinon.match({
   id: sinon.match.string,