diff --git a/test/surface/create.test.ts b/test/surface/create.test.ts
index 9126c26..70de71c 100644
--- a/test/surface/create.test.ts
+++ b/test/surface/create.test.ts
@@ -36,7 +36,7 @@ function makeBody(accessToModes: string, defaultModes: string, target: string) {
 }
 
 function makeContainerUrl(testFolderUrl, using, testing) {
-  return `${testFolderUrl}/using-${using}-test-${testing}/`;
+  return `${testFolderUrl}using-${using}-test-${testing}/`;
 }
 
 describe('Create', () => {