diff --git a/test/replication/gh-3055-election-promote.result b/test/replication/gh-3055-election-promote.result
index 6f5af13bc93061e251acff1490137fd9c060a541..c51ee805616f382144d3a794e69c5d14138c4a4a 100644
--- a/test/replication/gh-3055-election-promote.result
+++ b/test/replication/gh-3055-election-promote.result
@@ -50,7 +50,7 @@ assert(box.info.election.state == 'leader')
  | ---
  | - true
  | ...
-assert(not box.info.ro)
+test_run:wait_cond(function() return not box.info.ro end)
  | ---
  | - true
  | ...
@@ -86,7 +86,7 @@ assert(box.info.election.state == 'leader')
  | ---
  | - true
  | ...
-assert(not box.info.ro)
+test_run:wait_cond(function() return not box.info.ro end)
  | ---
  | - true
  | ...
diff --git a/test/replication/gh-3055-election-promote.test.lua b/test/replication/gh-3055-election-promote.test.lua
index cbc3ed2061493885fdaa23d8aec7bb4c1c209e53..84acc24b82b83995aae1d7820d4698e63b86eee8 100644
--- a/test/replication/gh-3055-election-promote.test.lua
+++ b/test/replication/gh-3055-election-promote.test.lua
@@ -24,7 +24,7 @@ assert(box.info.election.state == 'follower')
 term = box.info.election.term
 box.ctl.promote()
 assert(box.info.election.state == 'leader')
-assert(not box.info.ro)
+test_run:wait_cond(function() return not box.info.ro end)
 assert(box.info.election.term > term)
 
 -- Test promote when there's a live leader.
@@ -35,7 +35,7 @@ assert(box.info.ro)
 assert(box.info.election.leader ~= 0)
 box.ctl.promote()
 assert(box.info.election.state == 'leader')
-assert(not box.info.ro)
+test_run:wait_cond(function() return not box.info.ro end)
 assert(box.info.election.term > term)
 
 -- Cleanup.