test: additional test on parent folder

Author: jonioni

tests/src/rules/no-parent-barrel-import.js

@@ -74,6 +74,11 @@ ruleTester.run('no-parent-barrel-import', rule, {
       errors: [error],
       filename: testFilePath('./no-parent-barrel-import.js'),
     }),
+    test({
+      code: 'import foo from ".."',
+      errors: [error],
+      filename: testFilePath('./no-self-import-folder/index.js'),
+    }),
     test({
       code: 'var foo = require("./index.js")',
       errors: [error],