diff --git a/testdata/vote.txt b/testdata/vote.txt
index 80e1cf84..5c2e70a8 100644
--- a/testdata/vote.txt
+++ b/testdata/vote.txt
@@ -1,10 +1,11 @@
-# Tests that a node that is behind on the log will lose the vote.
+# Tests that a node that is behind on the log will lose the vote. Other nodes
+# will have higher priority to start next campaign within current term.
 
 log-level none
 ----
 ok
 
-add-nodes 2 voters=(1,2) index=10
+add-nodes 2 voters=(1,2) index=10 heartbeat-tick=1 election-tick=5
 ----
 ok
 
@@ -95,3 +96,120 @@ raft-log 1
 raft-log 2
 ----
 1/11 EntryNormal ""
+
+# 2 is de-prioritized on the next campaign. Its randomized election timeout
+# is in range [2*electionTime, 3*electionTime), namely [10, 15). So 9 ticks
+# shouldn't trigger the campaign.
+tick 2 9
+----
+ok
+
+raft-state
+----
+1: StateFollower (Voter) Term:2 Lead:0
+2: StateFollower (Voter) Term:2 Lead:0
+
+# 1's randomized election timeout doesn't change, it's still in range
+# [electionTime, 2*electionTime), namely [5, 10). So 9 ticks will definitely
+# trigger the campaign.
+tick 1 9
+----
+INFO 1 is starting a new election at term 2
+INFO 1 became candidate at term 3
+INFO 1 [logterm: 1, index: 12] sent MsgVote request to 2 at term 3
+
+raft-state
+----
+1: StateCandidate (Voter) Term:3 Lead:0
+2: StateFollower (Voter) Term:2 Lead:0
+
+stabilize
+----
+> 1 handling Ready
+  Ready MustSync=true:
+  Lead:0 State:StateCandidate
+  HardState Term:3 Vote:1 Commit:11
+  Messages:
+  1->2 MsgVote Term:3 Log:1/12
+  INFO 1 received MsgVoteResp from 1 at term 3
+  INFO 1 has received 1 MsgVoteResp votes and 0 vote rejections
+> 2 receiving messages
+  1->2 MsgVote Term:3 Log:1/12
+  INFO 2 [term: 2] received a MsgVote message with higher term from 1 [term: 3]
+  INFO 2 became follower at term 3
+  INFO 2 [logterm: 1, index: 11, vote: 0] cast MsgVote for 1 [logterm: 1, index: 12] at term 3
+> 2 handling Ready
+  Ready MustSync=true:
+  HardState Term:3 Vote:1 Commit:11
+  Messages:
+  2->1 MsgVoteResp Term:3 Log:0/0
+> 1 receiving messages
+  2->1 MsgVoteResp Term:3 Log:0/0
+  INFO 1 received MsgVoteResp from 2 at term 3
+  INFO 1 has received 2 MsgVoteResp votes and 0 vote rejections
+  INFO 1 became leader at term 3
+> 1 handling Ready
+  Ready MustSync=true:
+  Lead:1 State:StateLeader
+  Entries:
+  3/13 EntryNormal ""
+  Messages:
+  1->2 MsgApp Term:3 Log:1/12 Commit:11 Entries:[3/13 EntryNormal ""]
+> 2 receiving messages
+  1->2 MsgApp Term:3 Log:1/12 Commit:11 Entries:[3/13 EntryNormal ""]
+  DEBUG 2 [logterm: 0, index: 12] rejected MsgApp [logterm: 1, index: 12] from 1
+> 2 handling Ready
+  Ready MustSync=false:
+  Lead:1 State:StateFollower
+  Messages:
+  2->1 MsgAppResp Term:3 Log:1/12 Rejected (Hint: 11)
+> 1 receiving messages
+  2->1 MsgAppResp Term:3 Log:1/12 Rejected (Hint: 11)
+  DEBUG 1 received MsgAppResp(rejected, hint: (index 11, term 1)) from 2 for index 12
+  DEBUG 1 decreased progress of 2 to [StateProbe match=0 next=12]
+> 1 handling Ready
+  Ready MustSync=false:
+  Messages:
+  1->2 MsgApp Term:3 Log:1/11 Commit:11 Entries:[
+    1/12 EntryNormal "foo"
+    3/13 EntryNormal ""
+  ]
+> 2 receiving messages
+  1->2 MsgApp Term:3 Log:1/11 Commit:11 Entries:[
+    1/12 EntryNormal "foo"
+    3/13 EntryNormal ""
+  ]
+> 2 handling Ready
+  Ready MustSync=true:
+  Entries:
+  1/12 EntryNormal "foo"
+  3/13 EntryNormal ""
+  Messages:
+  2->1 MsgAppResp Term:3 Log:0/13
+> 1 receiving messages
+  2->1 MsgAppResp Term:3 Log:0/13
+> 1 handling Ready
+  Ready MustSync=false:
+  HardState Term:3 Vote:1 Commit:13
+  CommittedEntries:
+  1/12 EntryNormal "foo"
+  3/13 EntryNormal ""
+  Messages:
+  1->2 MsgApp Term:3 Log:3/13 Commit:13
+> 2 receiving messages
+  1->2 MsgApp Term:3 Log:3/13 Commit:13
+> 2 handling Ready
+  Ready MustSync=false:
+  HardState Term:3 Vote:1 Commit:13
+  CommittedEntries:
+  1/12 EntryNormal "foo"
+  3/13 EntryNormal ""
+  Messages:
+  2->1 MsgAppResp Term:3 Log:0/13
+> 1 receiving messages
+  2->1 MsgAppResp Term:3 Log:0/13
+
+raft-state
+----
+1: StateLeader (Voter) Term:3 Lead:1
+2: StateFollower (Voter) Term:3 Lead:1