Add another test case

Author: burtek

tests/lib/rules/jsx-filename-extension.js

@@ -97,6 +97,11 @@ ruleTester.run('jsx-filename-extension', rule, {
       code: onlyComments,
       options: [{ allow: 'as-needed', ignoreFilesWithoutCode: true }],
     },
+    {
+      filename: 'MyComponent.jsx',
+      code: '',
+      options: [{ allow: 'as-needed', ignoreFilesWithoutCode: true }],
+    },
   ]),
 
   invalid: parsers.all([