diff --git a/test/definitions/3.0.0/models/reference/reference object/index.mjs b/test/definitions/3.0.0/models/reference/reference object/index.mjs
index 2419f7ef..3105663e 100644
--- a/test/definitions/3.0.0/models/reference/reference object/index.mjs	
+++ b/test/definitions/3.0.0/models/reference/reference object/index.mjs	
@@ -1,5 +1,5 @@
 import path from 'path';
-import TestHelper from '@test/test-helper.js';
+import TestHelper from '@test/test-helper';
 
 const jsonSchema = require('@definitions/3.0.0/Reference.json');
 
diff --git a/test/definitions/3.0.0/models/reference/reference/index.mjs b/test/definitions/3.0.0/models/reference/reference/index.mjs
index 6821e9ed..067bc6c8 100644
--- a/test/definitions/3.0.0/models/reference/reference/index.mjs
+++ b/test/definitions/3.0.0/models/reference/reference/index.mjs
@@ -1,5 +1,5 @@
 import path from 'path';
-import TestHelper from '@test/test-helper.js';
+import TestHelper from '@test/test-helper';
 
 const jsonSchema = require('@definitions/3.0.0/Reference.json');
 
diff --git a/test/test-helper.js b/test/test-helper.mjs
similarity index 100%
rename from test/test-helper.js
rename to test/test-helper.mjs