fix

src/Coordination/FourLetterCommand.cpp

@@ -584,7 +584,8 @@ String FeatureFlagsCommand::run()
 
 String YieldLeadershipCommand::run()
 {
-    return keeper_dispatcher.yieldLeadership() ? "Sent yield leadership request to leader." : "Failed to send yield leadership request to leader.";
+    keeper_dispatcher.yieldLeadership();
+    return "Sent yield leadership request to leader.";
 }
 
 }

src/Coordination/KeeperDispatcher.h

@@ -238,7 +238,7 @@ public:
     }
 
     /// Yield leadership and become follower.
-    bool yieldLeadership()
+    void yieldLeadership()
     {
         return server->yieldLeadership();
     }

src/Coordination/KeeperServer.cpp

@@ -1087,7 +1087,7 @@ bool KeeperServer::requestLeader()
     return isLeader() || raft_instance->request_leadership();
 }
 
-bool KeeperServer::yieldLeadership()
+void KeeperServer::yieldLeadership()
 {
     if (isLeader())
         raft_instance->yield_leadership();

src/Coordination/KeeperServer.h

@@ -141,7 +141,7 @@ public:
 
     bool requestLeader();
 
-    bool yieldLeadership();
+    void yieldLeadership();
 
     void recalculateStorageStats();
 };