From 09ac708a73fede06912c3129cde98e465f0538d0 Mon Sep 17 00:00:00 2001
From: Thomas Van Lenten <thomasvl@google.com>
Date: Thu, 11 Sep 2025 12:06:22 -0400
Subject: [PATCH] Avoid tsan issue in the paging test.

---
 UnitTests/GTLRServiceTest.m | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/UnitTests/GTLRServiceTest.m b/UnitTests/GTLRServiceTest.m
index 8b084d126..18cd1d74b 100644
--- a/UnitTests/GTLRServiceTest.m
+++ b/UnitTests/GTLRServiceTest.m
@@ -835,7 +835,12 @@ - (void)testService_SingleQuery_Paging {
   service.fetcherService.testBlock = ^(GTMSessionFetcher *fetcherToTest,
                                        GTMSessionFetcherTestResponse testResponse) {
     checkRequestParamsAndHeaders(fetcherToTest.request);
-    XCTAssertEqual(queryTicket.pagesFetchedCounter, (NSUInteger)pageCounter);
+    // There's a chance the test block will get calls at the same time as the query is being
+    // started, so there could a a race for access to `queryTicket`, so skip inspecing it
+    // for the first page.
+    if (pageCounter != 0) {
+      XCTAssertEqual(queryTicket.pagesFetchedCounter, (NSUInteger)pageCounter);
+    }
 
     ++pageCounter;