From 3be90afc72d90648d4fb6fb6f4a1fd99d7ca0e09 Mon Sep 17 00:00:00 2001
From: Nick Cooke <nickcooke@google.com>
Date: Tue, 16 Dec 2025 10:02:04 -0500
Subject: [PATCH] fix: flaky FIRCLSLoggingTests.m

---
 Crashlytics/UnitTests/FIRCLSLoggingTests.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Crashlytics/UnitTests/FIRCLSLoggingTests.m b/Crashlytics/UnitTests/FIRCLSLoggingTests.m
index 475d8c79bdb..82231668bbf 100644
--- a/Crashlytics/UnitTests/FIRCLSLoggingTests.m
+++ b/Crashlytics/UnitTests/FIRCLSLoggingTests.m
@@ -36,6 +36,10 @@ @implementation FIRCLSLoggingTests
 - (void)setUp {
   [super setUp];
 
+  dispatch_sync(FIRCLSGetLoggingQueue(), ^{
+                    // Drain queue to prevent interference from previous tests.
+                });
+
   FIRCLSContextBaseInit();
 
   NSString* tempDir = NSTemporaryDirectory();