diff --git a/meteor/meteor.d.ts b/meteor/meteor.d.ts
index fc89e8b4a4..7f17984e2d 100644
--- a/meteor/meteor.d.ts
+++ b/meteor/meteor.d.ts
@@ -582,6 +582,7 @@ declare namespace Meteor {
 	var isDevelopment: boolean;
 	var isProduction: boolean;
 	var isServer: boolean;
+	var isTest: boolean;
 	function loggingIn(): boolean;
 	function loginWith<ExternalService>(options?: {
 		requestPermissions?: string[];