diff --git a/test/index.js b/test/index.js
index a09e8ef..5708108 100644
--- a/test/index.js
+++ b/test/index.js
@@ -208,6 +208,8 @@ describe('interpret.extensions', function () {
   });
 
   it('does not error with the .mjs extension', function (done) {
+    this.timeout(0);
+
     var ext = '.mjs';
     var fixture = './fixtures/' + ext.slice(1) + '/0/test' + ext;
 
@@ -223,6 +225,8 @@ describe('interpret.extensions', function () {
       this.skip();
     }
 
+    this.timeout(0);
+
     var ext = '.mjs';
     var fixture = './fixtures/' + ext.slice(1) + '/0/test' + ext;
 
@@ -251,6 +255,8 @@ describe('interpret.extensions', function () {
       this.skip();
     }
 
+    this.timeout(0);
+
     var ext = '.mjs';
     var fixture = './fixtures/' + ext.slice(1) + '/1/test' + ext;