refactor(sync): restart elect timer when vote for

source/libs/sync/src/syncRequestVote.c

@@ -62,6 +62,8 @@ int32_t syncNodeOnRequestVoteCb(SSyncNode* ths, SyncRequestVote* pMsg) {
     // maybe has already voted for pMsg->srcId
     // vote again, no harm
     raftStoreVote(ths->pRaftStore, &(pMsg->srcId));
+
+    syncNodeResetElectTimer(ths);
   }
 
   SyncRequestVoteReply* pReply = syncRequestVoteReplyBuild(ths->vgId);

source/libs/sync/test/syncTestTool.cpp

@@ -184,7 +184,7 @@ SWal* createWal(char* path, int32_t vgId) {
   return pWal;
 }
 
-int64_t createSyncNode(int32_t replicaNum, int32_t myIndex, int32_t vgId, SWal* pWal, char* path, bool isStandBy) {
+int64_t createSyncNode(int32_t replicaNum, int32_t myIndex, int32_t vgId, SWal* pWal, char* path, bool isStandBy, bool enableSnapshot) {
   SSyncInfo syncInfo;
   syncInfo.vgId = vgId;
   syncInfo.msgcb = &gSyncIO->msgcb;
@@ -194,7 +194,7 @@ int64_t createSyncNode(int32_t replicaNum, int32_t myIndex, int32_t vgId, SWal*
   snprintf(syncInfo.path, sizeof(syncInfo.path), "%s_sync_replica%d_index%d", path, replicaNum, myIndex);
   syncInfo.pWal = pWal;
   syncInfo.isStandBy = isStandBy;
-  syncInfo.snapshotEnable = true;
+  syncInfo.snapshotEnable = enableSnapshot;
 
   SSyncCfg* pCfg = &syncInfo.syncCfg;
 
@@ -323,7 +323,7 @@ int main(int argc, char** argv) {
   snprintf(walPath, sizeof(walPath), "%s_wal_replica%d_index%d", gDir, replicaNum, myIndex);
   SWal* pWal = createWal(walPath, gVgId);
 
-  int64_t rid = createSyncNode(replicaNum, myIndex, gVgId, pWal, (char*)gDir, isStandBy);
+  int64_t rid = createSyncNode(replicaNum, myIndex, gVgId, pWal, (char*)gDir, isStandBy, enableSnapshot);
   assert(rid > 0);
   syncStart(rid);