Use JSX in tests

package.json

@@ -8,7 +8,18 @@
     "coverage": "nyc report --reporter=text-lcov | coveralls"
   },
   "xo": {
-    "extends": "xo-lukechilds"
+    "extends": [
+      "xo-lukechilds",
+      "xo-react"
+    ]
+  },
+  "ava": {
+    "babel": {
+      "presets": [
+        "@ava/stage-4",
+        "react"
+      ]
+    }
   },
   "repository": {
     "type": "git",
@@ -34,8 +45,11 @@
   },
   "devDependencies": {
     "ava": "^0.20.0",
+    "babel-preset-react": "^6.24.1",
     "coveralls": "^2.13.1",
     "eslint-config-xo-lukechilds": "^1.0.0",
+    "eslint-config-xo-react": "^0.13.0",
+    "eslint-plugin-react": "^7.2.0",
     "nyc": "^11.0.3",
     "react": "^15.6.1",
     "this": "^1.0.2",

test/react-jsdom.js

@@ -10,27 +10,20 @@ test('ReactJSDOM is a object', t => {
 test('ReactJSDOM cleans up globals', t => {
 	global.window = 'foo';
 	global.document = 'bar';
-	ReactJSDOM.render(
+	ReactJSDOM.render(<div>hi</div>);
-		React.createElement('div', {}, 'hi')
-	);
 	t.is(global.window, 'foo');
 	t.is(global.document, 'bar');
 });
 
 test('ReactJSDOM renders a React Component', t => {
-	const elem = ReactJSDOM.render(
+	const elem = ReactJSDOM.render(<div>hi</div>);
-		React.createElement('div', {}, 'hi')
-	);
 	t.is(elem.nodeName, 'DIV');
 	t.is(elem.textContent, 'hi');
 });
 
 test('ReactJSDOM allows window instance to be passed in', t => {
 	const window = new Window();
-	const elem = ReactJSDOM.render(
+	const elem = ReactJSDOM.render(<div>hi</div>, window);
-		React.createElement('div', {}, 'hi'),
-		window
-	);
 	t.is(elem, window.document.getElementById('root').children[0]);
 	t.is(elem.nodeName, 'DIV');
 	t.is(elem.textContent, 'hi');