diff --git a/src/fb-stubs/GK.js b/src/fb-stubs/GK.js
index e41b6b81c..0e9dcf97a 100644
--- a/src/fb-stubs/GK.js
+++ b/src/fb-stubs/GK.js
@@ -7,10 +7,16 @@
 
 export type GKID = string;
 
+export const TEST_PASSING_GK = 'TEST_PASSING_GK';
+export const TEST_FAILING_GK = 'TEST_FAILING_GK';
+
 export default class GK {
   static init() {}
 
   static get(id: GKID): boolean {
+    if (process.env.NODE_ENV === 'test' && id === TEST_PASSING_GK) {
+      return true;
+    }
     return false;
   }
 }