From f408f6a613428a43758dce648a4e919a6df1cd6c Mon Sep 17 00:00:00 2001
From: Brian Chen <chenbrian@google.com>
Date: Tue, 19 May 2020 12:59:58 -0700
Subject: [PATCH] make removeSanpshotsInSyncListener run on AQ

---
 packages/firestore/src/core/firestore_client.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/firestore/src/core/firestore_client.ts b/packages/firestore/src/core/firestore_client.ts
index 1a8724efe0a..0bc959038ab 100644
--- a/packages/firestore/src/core/firestore_client.ts
+++ b/packages/firestore/src/core/firestore_client.ts
@@ -497,7 +497,10 @@ export class FirestoreClient {
     if (this.clientTerminated) {
       return;
     }
-    this.eventMgr.removeSnapshotsInSyncListener(observer);
+    this.asyncQueue.enqueueAndForget(() => {
+      this.eventMgr.removeSnapshotsInSyncListener(observer);
+      return Promise.resolve();
+    });
   }
 
   get clientTerminated(): boolean {