diff --git a/integration/firestore/gulpfile.js b/integration/firestore/gulpfile.js
index 57dc674606b..0dea9923ed0 100644
--- a/integration/firestore/gulpfile.js
+++ b/integration/firestore/gulpfile.js
@@ -48,6 +48,7 @@ function copyTests() {
         testBase + '/integration/util/settings.ts',
         testBase + '/integration/util/testing_hooks_util.ts',
         testBase + '/util/equality_matcher.ts',
+        testBase + '/util/helpers.ts',
         testBase + '/util/promise.ts'
       ],
       { base: '../../packages/firestore' }