From 54bd77ad53ddcfc9fe6f6ff1a3baa98bcc760b7f Mon Sep 17 00:00:00 2001
From: Yaroslav Lobankov <y.lobankov@tarantool.org>
Date: Fri, 28 Oct 2022 12:24:10 +0400
Subject: [PATCH] test: use luatest modules instead of internal ones

Some internal modules have been recently copied to luatest repo [1,2,3]
and now they can be safely removed, and the corresponding functionality
from luatest can be used instead.

Affected modules:

- test/luatest_helpers/misc.lua
- test/luatest_helpers/fiber.lua
- test/luatest_helpers/proxy/*

[1] https://github.com/tarantool/luatest/pull/247
[2] https://github.com/tarantool/luatest/pull/248
[3] https://github.com/tarantool/luatest/pull/255

Closes tarantool/luatest#238
Closes tarantool/luatest#251

NO_DOC=testing stuff
NO_TEST=testing stuff
NO_CHANGELOG=testing stuff
---
 .../gh_7166_wakeup_on_shutdown_fiber_test.lua |   3 +-
 .../alter_with_compression_test.lua           |   5 +-
 .../error_on_dynamic_cfg_in_load_cfg_test.lua |   3 +-
 ...h_7005_session_on_commit_rollback_test.lua |   3 +-
 test/box-luatest/gh_7583_txn_stat_test.lua    |   3 +-
 test/box-luatest/read_view_test.lua           |   3 +-
 test/box-luatest/space_upgrade_test.lua       |   5 +-
 test/box-luatest/transport_test.lua           |   7 +-
 test/box-luatest/wal_ext_test.lua             |   3 +-
 .../gh_6930_mvcc_net_box_iso_test.lua         |   3 +-
 test/luatest_helpers/fiber.lua                |  15 --
 test/luatest_helpers/misc.lua                 |  28 ----
 test/luatest_helpers/proxy/connection.lua     | 145 ------------------
 test/luatest_helpers/proxy/proxy.lua          | 117 --------------
 test/luatest_helpers/server.lua               |   4 +-
 .../election_fencing_test.lua                 |   2 +-
 ...7377_bootstrap_connection_failure_test.lua |   2 +-
 .../replication-luatest/linearizable_test.lua |   5 +-
 .../gh_7240_abort_yielding_dml_test.lua       |   3 +-
 19 files changed, 20 insertions(+), 339 deletions(-)
 delete mode 100644 test/luatest_helpers/fiber.lua
 delete mode 100644 test/luatest_helpers/misc.lua
 delete mode 100644 test/luatest_helpers/proxy/connection.lua
 delete mode 100644 test/luatest_helpers/proxy/proxy.lua

diff --git a/test/app-luatest/gh_7166_wakeup_on_shutdown_fiber_test.lua b/test/app-luatest/gh_7166_wakeup_on_shutdown_fiber_test.lua
index 40e61a44e5..44cef74427 100644
--- a/test/app-luatest/gh_7166_wakeup_on_shutdown_fiber_test.lua
+++ b/test/app-luatest/gh_7166_wakeup_on_shutdown_fiber_test.lua
@@ -3,7 +3,6 @@ local g = t.group('gh-7166')
 
 -- Check that wake up of the shutdown fiber doesn't crash Tarantool
 g.test_wakeup_on_shutdown_fiber = function()
-    local lt_fiber = require('test.luatest_helpers.fiber')
-    local f = lt_fiber.find_by_name('on_shutdown')
+    local f = t.tarantool.find_fiber_by_name('on_shutdown')
     f:wakeup()
 end
diff --git a/test/box-luatest/alter_with_compression_test.lua b/test/box-luatest/alter_with_compression_test.lua
index 86338e2e43..307af60ffa 100644
--- a/test/box-luatest/alter_with_compression_test.lua
+++ b/test/box-luatest/alter_with_compression_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 
@@ -17,7 +16,7 @@ g.after_all(function(cg)
 end)
 
 g.test_invalid_compression_type_during_space_creation = function(cg)
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     cg.server:exec(function(engine, compression)
         local t = require('luatest')
         local format = {{
@@ -36,7 +35,7 @@ g.before_test('test_invalid_compression_type_during_setting_format', function(cg
 end)
 
 g.test_invalid_compression_type_during_setting_format = function(cg)
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     cg.server:exec(function(compression)
         local t = require('luatest')
         local format = {{
diff --git a/test/box-luatest/error_on_dynamic_cfg_in_load_cfg_test.lua b/test/box-luatest/error_on_dynamic_cfg_in_load_cfg_test.lua
index 05d0f3bd20..68d8c57143 100644
--- a/test/box-luatest/error_on_dynamic_cfg_in_load_cfg_test.lua
+++ b/test/box-luatest/error_on_dynamic_cfg_in_load_cfg_test.lua
@@ -1,5 +1,4 @@
 local server = require('test.luatest_helpers.server')
-local misc = require('test.luatest_helpers.misc')
 local t = require('luatest')
 local fio = require('fio')
 local g = t.group()
@@ -13,7 +12,7 @@ g.after_test("test_error_on_dynamic_cfg_in_load_cfg", function()
 end)
 
 g.test_error_on_dynamic_cfg_in_load_cfg = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     g.server:start{wait_for_readiness = false}
     t.helpers.retrying({}, function()
         local msg = "Community edition does not support WAL extensions"
diff --git a/test/box-luatest/gh_7005_session_on_commit_rollback_test.lua b/test/box-luatest/gh_7005_session_on_commit_rollback_test.lua
index cf09cfaee5..6714b21d3b 100644
--- a/test/box-luatest/gh_7005_session_on_commit_rollback_test.lua
+++ b/test/box-luatest/gh_7005_session_on_commit_rollback_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 local g = t.group()
@@ -63,7 +62,7 @@ end
 -- Checks session and user in box.on_rollback trigger callback in case
 -- transaction is rolled back on WAL error.
 g.test_session_on_wal_error_rollback = function()
-    misc.skip_if_not_debug()
+    t.tarantool.skip_if_not_debug()
     g.server:exec(function()
         local t = require('luatest')
         box.session.su('eve', function()
diff --git a/test/box-luatest/gh_7583_txn_stat_test.lua b/test/box-luatest/gh_7583_txn_stat_test.lua
index 4316f58545..ddbd93d001 100644
--- a/test/box-luatest/gh_7583_txn_stat_test.lua
+++ b/test/box-luatest/gh_7583_txn_stat_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 
@@ -131,7 +130,7 @@ g.after_test('test_wal_error', function(cg)
 end)
 
 g.test_wal_error = function(cg)
-    misc.skip_if_not_debug()
+    t.tarantool.skip_if_not_debug()
     cg.server:exec(function()
         local t = require('luatest')
         local function stat()
diff --git a/test/box-luatest/read_view_test.lua b/test/box-luatest/read_view_test.lua
index f95015d803..14c5c9befd 100644
--- a/test/box-luatest/read_view_test.lua
+++ b/test/box-luatest/read_view_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 local g = t.group()
@@ -13,7 +12,7 @@ g.after_all = function(cg)
 end
 
 g.test_read_view = function(cg)
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     cg.server:exec(function()
         local t = require('luatest')
         t.assert_error_msg_equals(
diff --git a/test/box-luatest/space_upgrade_test.lua b/test/box-luatest/space_upgrade_test.lua
index 4e48dfd0a2..dceb4e75e7 100644
--- a/test/box-luatest/space_upgrade_test.lua
+++ b/test/box-luatest/space_upgrade_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 local g = t.group()
@@ -16,7 +15,7 @@ g.after_all = function()
 end
 
 g.test_low_level_api = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     g.server:exec(function()
         local t = require('luatest')
         t.assert_error_msg_equals(
@@ -27,7 +26,7 @@ g.test_low_level_api = function()
 end
 
 g.test_high_level_api = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     g.server:exec(function()
         local t = require('luatest')
         t.assert_error_msg_equals(
diff --git a/test/box-luatest/transport_test.lua b/test/box-luatest/transport_test.lua
index a667d196ae..edadc68a02 100644
--- a/test/box-luatest/transport_test.lua
+++ b/test/box-luatest/transport_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local net = require('net.box')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
@@ -48,7 +47,7 @@ g.test_net_box = function()
 end
 
 g.test_listen_ssl = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     g.server:exec(function()
         local t = require('luatest')
         t.assert_error_msg_equals(
@@ -58,7 +57,7 @@ g.test_listen_ssl = function()
 end
 
 g.test_replication_ssl = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     g.server:exec(function()
         local t = require('luatest')
         t.assert_error_msg_equals(
@@ -68,7 +67,7 @@ g.test_replication_ssl = function()
 end
 
 g.test_net_box_ssl = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     t.assert_error_msg_equals(
         'SSL is not available in this build',
         net.connect, {g.server.net_box_uri, params = {transport = 'ssl'}})
diff --git a/test/box-luatest/wal_ext_test.lua b/test/box-luatest/wal_ext_test.lua
index cbaf0d662b..83166a4c37 100644
--- a/test/box-luatest/wal_ext_test.lua
+++ b/test/box-luatest/wal_ext_test.lua
@@ -1,10 +1,9 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 local g = t.group()
 
 g.test_walext_unavailable = function()
-    misc.skip_if_enterprise()
+    t.tarantool.skip_if_enterprise()
     g.server = server:new({alias = 'master'})
     g.server:start()
     g.server:exec(function()
diff --git a/test/engine-luatest/gh_6930_mvcc_net_box_iso_test.lua b/test/engine-luatest/gh_6930_mvcc_net_box_iso_test.lua
index a833c150d5..52e05fd04a 100644
--- a/test/engine-luatest/gh_6930_mvcc_net_box_iso_test.lua
+++ b/test/engine-luatest/gh_6930_mvcc_net_box_iso_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 
@@ -25,7 +24,7 @@ g.before_test('test_mvcc_netbox_isolation_level_basics', function(cg)
 end)
 
 g.test_mvcc_netbox_isolation_level_basics = function(cg)
-    misc.skip_if_not_debug()
+    t.tarantool.skip_if_not_debug()
 
     local t = require('luatest')
 
diff --git a/test/luatest_helpers/fiber.lua b/test/luatest_helpers/fiber.lua
deleted file mode 100644
index 9eefb5746a..0000000000
--- a/test/luatest_helpers/fiber.lua
+++ /dev/null
@@ -1,15 +0,0 @@
-local fiber = require('fiber')
-
--- Searches for a fiber with the specified name and returns the fiber object
-local function find_by_name(name)
-    for id, f in pairs(fiber.info()) do
-        if f.name == name then
-            return fiber.find(id)
-        end
-    end
-    return nil
-end
-
-return {
-    find_by_name = find_by_name
-}
diff --git a/test/luatest_helpers/misc.lua b/test/luatest_helpers/misc.lua
deleted file mode 100644
index 4ba626039c..0000000000
--- a/test/luatest_helpers/misc.lua
+++ /dev/null
@@ -1,28 +0,0 @@
-local luatest = require('luatest')
-local tarantool = require('tarantool')
-
--- Returns true if Tarantool build type is Debug.
-local function is_debug_build()
-    return tarantool.build.target:endswith('-Debug')
-end
-
--- Returns true if Tarantool package is Enterprise.
-local function is_enterprise_package()
-    return tarantool.package == 'Tarantool Enterprise'
-end
-
--- Skips a running test unless Tarantool build type is Debug.
-local function skip_if_not_debug()
-    luatest.skip_if(not is_debug_build(), 'build type is not Debug')
-end
-
--- Skips a running test if Tarantool package is Enterprise.
-local function skip_if_enterprise()
-    luatest.skip_if(is_enterprise_package(), 'package is Enterprise')
-end
-
-return {
-    is_debug_build = is_debug_build,
-    skip_if_not_debug = skip_if_not_debug,
-    skip_if_enterprise = skip_if_enterprise,
-}
diff --git a/test/luatest_helpers/proxy/connection.lua b/test/luatest_helpers/proxy/connection.lua
deleted file mode 100644
index 1fd76d8c72..0000000000
--- a/test/luatest_helpers/proxy/connection.lua
+++ /dev/null
@@ -1,145 +0,0 @@
-local checks = require('checks')
-local fiber = require('fiber')
-local socket = require('socket')
-
-local TIMEOUT = 0.001
-
-local Connection = {
-    constructor_checks = {
-        client_socket = '?table',
-        server_socket_path = 'string',
-        process_client = '?table',
-        process_server = '?table',
-    },
-}
-
-function Connection:inherit(object)
-    setmetatable(object, self)
-    self.__index = self
-    return object
-end
-
-function Connection:new(object)
-    checks('table', self.constructor_checks)
-    self:inherit(object)
-    object:initialize()
-    return object
-end
-
-function Connection:initialize()
-    self.running = false
-    self.client_connected = true
-    self.server_connected = false
-    self.client_fiber = nil
-    self.server_fiber = nil
-
-    if self.process_client == nil then
-        self.process_client = {
-            pre = nil,
-            func = self.forward_to_server,
-            post = self.close_client_socket,
-        }
-    end
-
-    if self.process_server == nil then
-        self.process_server = {
-            pre = nil,
-            func = self.forward_to_client,
-            post = self.close_server_socket,
-        }
-    end
-
-    self:connect_server_socket()
-end
-
-function Connection:connect_server_socket()
-    self.server_socket = socket('PF_UNIX', 'SOCK_STREAM', 0)
-    if self.server_socket:sysconnect('unix/',self.server_socket_path) == false
-    then
-        self.server_socket:close()
-        self.server_socket = nil
-        return
-    end
-    self.server_socket:nonblock(true)
-    self.server_connected = true
-
-    self.server_fiber = self:process_socket(self.server_socket,
-                                            self.process_server)
-end
-
-function Connection:process_socket(sock, process)
-    local f = fiber.new(function()
-        if process.pre ~= nil then process.pre(self) end
-
-        while sock:peer() do
-            if not self.running then
-                fiber.sleep(TIMEOUT)
-            elseif sock:readable(TIMEOUT) then
-                local request = sock:recv()
-                if request == nil or #request == 0 then break end
-                if process.func ~= nil then process.func(self, request) end
-            end
-        end
-
-        if process.post ~= nil then process.post(self) end
-    end)
-    f:set_joinable(true)
-    f:name('ProxyConnectionIO')
-    return f
-end
-
-function Connection:start()
-    self.running = true
-    if self.client_fiber == nil or self.client_fiber:status() == 'dead' then
-        self.client_fiber = self:process_socket(self.client_socket,
-                                                self.process_client)
-    end
-end
-
-function Connection:pause()
-    self.running = false
-end
-
-function Connection:resume()
-    self.running = true
-end
-
-function Connection:stop()
-    self:close_client_socket()
-    self:close_server_socket()
-end
-
-function Connection:forward_to_server(data)
-    if not self.server_connected then
-        self:connect_server_socket()
-    end
-    if self.server_connected and self.server_socket:writable() then
-        self.server_socket:write(data)
-    end
-end
-
-function Connection:forward_to_client(data)
-    if self.client_connected and self.client_socket:writable() then
-        self.client_socket:write(data)
-    end
-end
-
-function Connection:close_server_socket()
-    if self.server_connected then
-        self.server_socket:shutdown(socket.SHUT_RW)
-        self.server_socket:close()
-        self.server_connected = false
-        self.server_fiber:join()
-    end
-end
-
-function Connection:close_client_socket()
-    if self.client_connected then
-        self.client_socket:shutdown(socket.SHUT_RW)
-        self.client_socket:close()
-        self.client_connected = false
-        self.client_fiber:join()
-    end
-end
-
-return Connection
diff --git a/test/luatest_helpers/proxy/proxy.lua b/test/luatest_helpers/proxy/proxy.lua
deleted file mode 100644
index a246a9c238..0000000000
--- a/test/luatest_helpers/proxy/proxy.lua
+++ /dev/null
@@ -1,117 +0,0 @@
-local socket = require('socket')
-local fiber = require('fiber')
-local checks = require('checks')
-local Connection = require('test.luatest_helpers.proxy.connection')
-local log = require('log')
-
-local TIMEOUT = 0.001
-local BACKLOG = 512
-
-local Proxy = {
-    constructor_checks = {
-        client_socket_path = 'string',
-        server_socket_path = 'string',
-        process_client = '?table',
-        process_server = '?table',
-    },
-}
-
-function Proxy:inherit(object)
-    setmetatable(object, self)
-    self.__index = self
-    return object
-end
-
-function Proxy:new(object)
-    checks('table', self.constructor_checks)
-    self:inherit(object)
-    object:initialize()
-    return object
-end
-
-function Proxy:initialize()
-    self.connections = {}
-    self.accept_new_connections = true
-    self.running = false
-
-    self.client_socket = socket('PF_UNIX', 'SOCK_STREAM', 0)
-end
-
-function Proxy:stop()
-    self.running = false
-    self.worker:join()
-    for _, c in pairs(self.connections) do
-        c:stop()
-    end
-end
-
-function Proxy:pause()
-    self.accept_new_connections = false
-    for _, c in pairs(self.connections) do
-        c:pause()
-    end
-end
-
-function Proxy:resume()
-    for _, c in pairs(self.connections) do
-        c:resume()
-    end
-    self.accept_new_connections = true
-end
-
-function Proxy:start(opts)
-    checks('table', {force = '?boolean'})
-    if opts ~= nil and opts.force then
-        os.remove(self.client_socket_path)
-    end
-
-    if not self.client_socket:bind('unix/', self.client_socket_path) then
-        log.error("Failed to bind client socket: %s", self.client_socket:error())
-        return false
-    end
-
-    self.client_socket:nonblock(true)
-    if not self.client_socket:listen(BACKLOG) then
-        log.error("Failed to listen on client socket: %s",
-            self.client_socket:error())
-        return false
-    end
-
-    self.running = true
-    self.worker = fiber.new(function()
-        while self.running do
-            if not self.accept_new_connections then
-                fiber.sleep(TIMEOUT)
-                goto continue
-            end
-
-            if not self.client_socket:readable(TIMEOUT) then
-                goto continue
-            end
-
-            local client = self.client_socket:accept()
-            if client == nil then goto continue end
-            client:nonblock(true)
-
-            local conn = Connection:new({
-                client_socket = client,
-                server_socket_path = self.server_socket_path,
-                process_client = self.process_client,
-                process_server = self.process_server,
-            })
-            table.insert(self.connections, conn)
-            conn:start()
-            ::continue::
-        end
-
-        self.client_socket:shutdown(socket.SHUT_RW)
-        self.client_socket:close()
-        os.remove(self.client_socket_path)
-    end)
-    self.worker:set_joinable(true)
-    self.worker:name('ProxyWorker')
-
-    return true
-end
-
-return Proxy
diff --git a/test/luatest_helpers/server.lua b/test/luatest_helpers/server.lua
index 7c35ac1e03..d7ad6acf7f 100644
--- a/test/luatest_helpers/server.lua
+++ b/test/luatest_helpers/server.lua
@@ -6,8 +6,6 @@ local fio = require('fio')
 local fun = require('fun')
 local json = require('json')
 local errno = require('errno')
--- Full name to avoid loading the built-in misc.
-local misc = require('test.luatest_helpers.misc')
 
 local checks = require('checks')
 local luatest = require('luatest')
@@ -170,7 +168,7 @@ end
 -- change in the future.
 -- WAL delay should already be started before the function is called.
 function Server:play_wal_until_synchro_queue_is_busy()
-    luatest.assert(misc.is_debug_build())
+    luatest.assert(luatest.tarantool.is_debug_build())
     return wait_cond('synchro queue is busy', self, self.exec, self, function()
         if not box.error.injection.get('ERRINJ_WAL_DELAY') then
             return false
diff --git a/test/replication-luatest/election_fencing_test.lua b/test/replication-luatest/election_fencing_test.lua
index 02610e27b6..aff2ea0c0d 100644
--- a/test/replication-luatest/election_fencing_test.lua
+++ b/test/replication-luatest/election_fencing_test.lua
@@ -299,7 +299,7 @@ g_mode.test_fencing_mode = function(g)
         replication_timeout = timeout,
     })
 
-    local proxy = require('test.luatest_helpers.proxy.proxy'):new({
+    local proxy = require('luatest.replica_proxy'):new({
         client_socket_path = server.build_instance_uri('server_1_proxy'),
         server_socket_path = server.build_instance_uri('server_1'),
     })
diff --git a/test/replication-luatest/gh_7377_bootstrap_connection_failure_test.lua b/test/replication-luatest/gh_7377_bootstrap_connection_failure_test.lua
index 00d2f209c2..06f9130667 100644
--- a/test/replication-luatest/gh_7377_bootstrap_connection_failure_test.lua
+++ b/test/replication-luatest/gh_7377_bootstrap_connection_failure_test.lua
@@ -1,7 +1,7 @@
 local t = require('luatest')
 local cluster = require('test.luatest_helpers.cluster')
 local server = require('test.luatest_helpers.server')
-local proxy = require('test.luatest_helpers.proxy.proxy')
+local proxy = require('luatest.replica_proxy')
 
 local fio = require('fio')
 local fiber = require('fiber')
diff --git a/test/replication-luatest/linearizable_test.lua b/test/replication-luatest/linearizable_test.lua
index 5abd54e367..91eb693418 100644
--- a/test/replication-luatest/linearizable_test.lua
+++ b/test/replication-luatest/linearizable_test.lua
@@ -1,8 +1,7 @@
 local t = require('luatest')
-local misc = require('test.luatest_helpers.misc')
 local cluster = require('test.luatest_helpers.cluster')
 local server = require('test.luatest_helpers.server')
-local proxy = require('test.luatest_helpers.proxy.proxy')
+local proxy = require('luatest.replica_proxy')
 local g = t.group('linearizable-read')
 
 local fiber = require('fiber')
@@ -84,7 +83,7 @@ g.test_wait_others = function(cg)
 end
 
 g.test_timeout = function(cg)
-    misc.skip_if_not_debug()
+    t.tarantool.skip_if_not_debug()
     cg.servers[1]:exec(function()
         local t = require('luatest')
         box.error.injection.set('ERRINJ_RELAY_FROM_TX_DELAY', true)
diff --git a/test/vinyl-luatest/gh_7240_abort_yielding_dml_test.lua b/test/vinyl-luatest/gh_7240_abort_yielding_dml_test.lua
index e78ac444b8..59e656f0dd 100644
--- a/test/vinyl-luatest/gh_7240_abort_yielding_dml_test.lua
+++ b/test/vinyl-luatest/gh_7240_abort_yielding_dml_test.lua
@@ -1,4 +1,3 @@
-local misc = require('test.luatest_helpers.misc')
 local server = require('test.luatest_helpers.server')
 local t = require('luatest')
 
@@ -28,7 +27,7 @@ end)
 --    because it's in read view.
 --
 g.test_abort_yielding_dml = function(cg)
-    misc.skip_if_not_debug()
+    t.tarantool.skip_if_not_debug()
     cg.server:exec(function()
         local fiber = require('fiber')
         local t = require('luatest')
-- 
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