test: fix flaky test

This test fails sporadically

test/replication/sync.result

@@ -46,7 +46,7 @@ function fill()
         box.space.test:replace{i}
     end
     fiber.create(function()
-        box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0.1)
+        box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0.0025)
         test_run:wait_cond(function()
             local r = box.info.replication[2]
             return r ~= nil and r.downstream ~= nil and
@@ -55,7 +55,6 @@ function fill()
         for i = count + 101, count + 200 do
             box.space.test:replace{i}
         end
-        box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0)
     end)
     count = count + 200
 end;
@@ -250,6 +249,10 @@ test_run:cmd("switch default")
 ---
 - true
 ...
+box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0)
+---
+- ok
+...
 box.error.injection.set('ERRINJ_WAL_DELAY', true)
 ---
 - ok

test/replication/sync.test.lua

@@ -30,7 +30,7 @@ function fill()
         box.space.test:replace{i}
     end
     fiber.create(function()
-        box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0.1)
+        box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0.0025)
         test_run:wait_cond(function()
             local r = box.info.replication[2]
             return r ~= nil and r.downstream ~= nil and
@@ -39,7 +39,6 @@ function fill()
         for i = count + 101, count + 200 do
             box.space.test:replace{i}
         end
-        box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0)
     end)
     count = count + 200
 end;
@@ -136,6 +135,7 @@ box.cfg{replication_sync_lag = 1}
 box.cfg{replication_sync_timeout = 10}
 
 test_run:cmd("switch default")
+box.error.injection.set('ERRINJ_RELAY_TIMEOUT', 0)
 box.error.injection.set('ERRINJ_WAL_DELAY', true)
 test_run:cmd("setopt delimiter ';'")
 _ = fiber.create(function()

test/replication/transaction.result

@@ -7,12 +7,21 @@ test_run = env.new()
 box.schema.user.grant('guest', 'replication')
 ---
 ...
-s = box.schema.space.create('test', {engine = test_run:get_cfg('engine')})
+engine = test_run:get_cfg('engine')
+---
+...
+s = box.schema.space.create('test', {engine = engine})
 ---
 ...
 _ = s:create_index('pk')
 ---
 ...
+l = box.schema.space.create('l_space', {engine = engine, is_local = true})
+---
+...
+_ = l:create_index('pk')
+---
+...
 -- transaction w/o conflict
 box.begin() s:insert({1, 'm'}) s:insert({2, 'm'}) box.commit()
 ---
@@ -92,6 +101,11 @@ box.cfg{replication = replication}
 ---
 ...
 -- replication stopped of third transaction
+-- flush wal
+box.space.l_space:replace({1})
+---
+- [1]
+...
 v1[1] + 2 == box.info.vclock[1]
 ---
 - true

test/replication/transaction.test.lua

 env = require('test_run')
 test_run = env.new()
 box.schema.user.grant('guest', 'replication')
+engine = test_run:get_cfg('engine')
 
-s = box.schema.space.create('test', {engine = test_run:get_cfg('engine')})
+s = box.schema.space.create('test', {engine = engine})
 _ = s:create_index('pk')
+l = box.schema.space.create('l_space', {engine = engine, is_local = true})
+_ = l:create_index('pk')
 
 -- transaction w/o conflict
 box.begin() s:insert({1, 'm'}) s:insert({2, 'm'}) box.commit()
@@ -37,6 +40,8 @@ replication = box.cfg.replication
 box.cfg{replication = {}}
 box.cfg{replication = replication}
 -- replication stopped of third transaction
+-- flush wal
+box.space.l_space:replace({1})
 v1[1] + 2 == box.info.vclock[1]
 box.space.test:select()
 -- check replication status