test: flaky replication/anon.test.lua test

[avtikhon]

Tarantool version:
Tarantool 2.6.0-142-g535568803
Target: Darwin-x86_64-RelWithDebInfo
Build options: cmake . -DCMAKE_INSTALL_PREFIX=/usr/local -DENABLE_BACKTRACE=ON
Compiler: /Library/Developer/CommandLineTools/usr/bin/cc /Library/Developer/CommandLineTools/usr/bin/c++
C_FLAGS: -Wno-unknown-pragmas -fexceptions -funwind-tables -fno-omit-frame-pointer -fno-stack-protector -fno-common -msse2 -std=c11 -Wall -Wextra -Wno-strict-aliasing -Wno-char-subscripts -Wno-gnu-alignof-expression -Werror
CXX_FLAGS: -Wno-unknown-pragmas -fexceptions -funwind-tables -fno-omit-frame-pointer -fno-stack-protector -fno-common -msse2 -std=c++11 -Wall -Wextra -Wno-strict-aliasing -Wno-char-subscripts -Wno-invalid-offsetof -Wno-gnu-alignof-expression -Werror

OS version:
OSX

Bug description:
https://gitlab.com/tarantool/tarantool/-/jobs/771880011#L4281

artifacts.zip

results file checksum: a73b46d27fc48d2d7016597eeadbed2c

[027] replication/anon.test.lua                                       
[027] [Instance "master"] Tarantool server failed to start
[027] 
[027] Last 15 lines of Tarantool Log file [Instance "master"][/tmp/tnt/027_replication/master.log]:
[027] 2020-10-05 00:40:55.362 [33739] main/130/console/unix/: C> leaving orphan mode
[027] 2020-10-05 00:40:55.362 [33739] main/130/console/unix/: I> set 'replication' configuration option to []
[027] 2020-10-05 00:40:55.561 [33739] main C> got signal 15 - Terminated: 15
[027] Starting instance master...
[027] Run console at unix/:/tmp/tnt/027_replication/master.control
[027] tcp_server: remove dead UNIX socket: /tmp/tnt/027_replication/master.control
[027] started
[027] 2020-10-05 00:40:55.786 [33786] main/103/master C> Tarantool 2.6.0-142-g535568803
[027] 2020-10-05 00:40:55.787 [33786] main/103/master C> log level 5
[027] 2020-10-05 00:40:55.788 [33786] main/103/master I> mapping 117440512 bytes for memtx tuple arena...
[027] 2020-10-05 00:40:55.788 [33786] main/103/master I> mapping 134217728 bytes for vinyl tuple arena...
[027] 2020-10-05 00:40:55.793 [33786] main/103/master I> instance uuid 4ba72721-2f04-41c7-beed-edbbbac768da
[027] 2020-10-05 00:40:55.793 [33786] main/103/master xlog.c:462 E> XlogError: /tmp/tnt/027_replication/master/00000000000000000106.xlog: invalid instance UUID
[027] 2020-10-05 00:40:55.793 [33786] main/103/master F> can't initialize storage: /tmp/tnt/027_replication/master/00000000000000000106.xlog: invalid instance UUID
[027] 2020-10-05 00:40:55.793 [33786] main/103/master F> can't initialize storage: /tmp/tnt/027_replication/master/00000000000000000106.xlog: invalid instance UUID
[027] [ fail ]

Steps to reproduce:

Optional (but very desirable):

• coredump
• backtrace
• netstat