fixup! [New] Add testing scaffolding for Components util

Author: duncanbeevers

tests/util/Component.js

@@ -41,7 +41,7 @@ describe('Components', () => {
       testComponentsDetect({
         code: `import React from 'react'
           function MyStatelessComponent() {
-            return <></>
+            return <React.Fragment />
           }`,
       }, (_context, components) => {
         assert(components.length() === 1, 'MyStatelessComponent should be detected component');
@@ -59,7 +59,7 @@ describe('Components', () => {
         code: `import React from 'react'
         class MyClassComponent extends React.Component {
           render() {
-            return <></>
+            return <React.Fragment />
           }
         }`,
       }, (_context, components) => {