1 files changed, 1 insertions, 0 deletions
diff --git a/src/mongo/client/replica_set_monitor_integration_test.cpp b/src/mongo/client/replica_set_monitor_integration_test.cpp
index 90687af4d13..383411d0d61 100644
--- a/src/mongo/client/replica_set_monitor_integration_test.cpp
+++ b/src/mongo/client/replica_set_monitor_integration_test.cpp
@@ -157,6 +157,7 @@ protected:
 TEST_F(ReplicaSetMonitorFixture, StreamableRSMWireVersion) {
     auto rsm = ReplicaSetMonitorManager::get()->getOrCreateMonitor(replSetUri, nullptr);
 
+    // Schedule isMaster requests and wait for the responses.
     auto primaryFuture =
         rsm->getHostOrRefresh(ReadPreferenceSetting(mongo::ReadPreference::PrimaryOnly),
                               CancellationToken::uncancelable());