setup fragments for tests properly

Author: Belco90

tests/lib/rules/jsx-no-leaked-render.js

@@ -132,14 +132,15 @@ ruleTester.run('jsx-no-leaked-render', rule, {
       code: `
       const Example = () => {
         return (
-          <div>
+          <>
             {0 && <Something/>}
             {'' && <Something/>}
             {NaN && <Something/>}
-          </div>
+          </>
         )
       }
       `,
+      features: ['fragment'],
       errors: [
         {
           message: 'Potential leaked value that might cause unintentionally rendered values or rendering crashes',
@@ -160,11 +161,11 @@ ruleTester.run('jsx-no-leaked-render', rule, {
       output: `
       const Example = () => {
         return (
-          <div>
+          <>
             {0 ? <Something/> : null}
             {'' ? <Something/> : null}
             {NaN ? <Something/> : null}
-          </div>
+          </>
         )
       }
       `,