diff --git a/test/replication/catch.test.lua b/test/replication/catch.test.lua
index d5de886422f558966b642350b0906f9905aa4add..7a531df39ad99e044c904869f1942142f935ee5a 100644
--- a/test/replication/catch.test.lua
+++ b/test/replication/catch.test.lua
@@ -2,7 +2,6 @@ env = require('test_run')
 test_run = env.new()
 engine = test_run:get_cfg('engine')
 
-
 net_box = require('net.box')
 errinj = box.error.injection
 
diff --git a/test/replication/gc.result b/test/replication/gc.result
index 2e8d3d7e8aca246118261e689845dec284a3990d..5b7057adf58a9f20dd04fcea87b2d900306fa949 100644
--- a/test/replication/gc.result
+++ b/test/replication/gc.result
@@ -1,6 +1,3 @@
-fio = require 'fio'
----
-...
 test_run = require('test_run').new()
 ---
 ...
@@ -13,6 +10,9 @@ replica_set = require('fast_replica')
 fiber = require('fiber')
 ---
 ...
+fio = require('fio')
+---
+...
 test_run:cleanup_cluster()
 ---
 ...
diff --git a/test/replication/gc.test.lua b/test/replication/gc.test.lua
index 53471025153f027cff66aab03508063854ee4839..a92a6ed7e4afe66ae01be88116e9c19b52249d14 100644
--- a/test/replication/gc.test.lua
+++ b/test/replication/gc.test.lua
@@ -1,8 +1,8 @@
-fio = require 'fio'
 test_run = require('test_run').new()
 engine = test_run:get_cfg('engine')
 replica_set = require('fast_replica')
 fiber = require('fiber')
+fio = require('fio')
 
 test_run:cleanup_cluster()
 test_run:cmd("create server replica with rpl_master=default, script='replication/replica.lua'")
diff --git a/test/replication/on_replace.result b/test/replication/on_replace.result
index 8fef8fb1402794bc5578c482a0585fd2d0826f3e..2e95b90eaa728cb9e5a0814efa79474ee139d23f 100644
--- a/test/replication/on_replace.result
+++ b/test/replication/on_replace.result
@@ -63,6 +63,9 @@ test_run:cmd("switch replica")
 ---
 - true
 ...
+fiber = require('fiber')
+---
+...
 while box.space.test:count() < 2 do fiber.sleep(0.01) end
 ---
 ...
diff --git a/test/replication/on_replace.test.lua b/test/replication/on_replace.test.lua
index 23a3313b5bc225a8ee4eeffc51fedfeb10395854..e34832103ce2aa189095d51d6afd53c3085a4f78 100644
--- a/test/replication/on_replace.test.lua
+++ b/test/replication/on_replace.test.lua
@@ -26,6 +26,7 @@ session_type
 test_run:cmd("switch default")
 box.space.test:insert{2}
 test_run:cmd("switch replica")
+fiber = require('fiber')
 while box.space.test:count() < 2 do fiber.sleep(0.01) end
 --
 -- applier