diff --git a/test/index.js b/test/index.js
index 152135e..5c5e47d 100644
--- a/test/index.js
+++ b/test/index.js
@@ -16,4 +16,5 @@ import './bls12-381.test.js';
 import './bn254.test.js';
 import './utils.test.js';
 
+process.env.MSHOULD_FAST=1
 should.runWhen(import.meta.url);