test: flaky replication/gh-3711-misc-no-restart-on-same-configuration.test.lua test

[avtikhon]

Tarantool version:
Tarantool 2.6.0-153-gb0b32687ef
Target: Linux-x86_64-RelWithDebInfo
Build options: cmake . -DCMAKE_INSTALL_PREFIX=/usr/local -DENABLE_BACKTRACE=ON
Compiler: /usr/bin/cc /usr/bin/c++
C_FLAGS: -static-libstdc++ -fexceptions -funwind-tables -fno-omit-frame-pointer -fno-stack-protector -fno-common -fopenmp -msse2 -std=c11 -Wall -Wextra -Wno-strict-aliasing -Wno-char-subscripts -Wno-format-truncation -Wno-gnu-alignof-expression -fno-gnu89-inline -Wno-cast-function-type -Werror
CXX_FLAGS: -static-libstdc++ -fexceptions -funwind-tables -fno-omit-frame-pointer -fno-stack-protector -fno-common -fopenmp -msse2 -std=c++11 -Wall -Wextra -Wno-strict-aliasing -Wno-char-subscripts -Wno-format-truncation -Wno-invalid-offsetof -Wno-gnu-alignof-expression -Wno-cast-function-type -Werror

OS version:
Linux (Debian 9)

Bug description:
https://gitlab.com/tarantool/tarantool/-/jobs/784173527#L4498

artifacts.zip

results file checksum: 701279bf227f341db6bb32d20d86ae0e

[050] --- replication/gh-3711-misc-no-restart-on-same-configuration.result	Fri Oct  9 06:24:47 2020
[050] +++ replication/gh-3711-misc-no-restart-on-same-configuration.reject	Sun Oct 11 00:36:42 2020
[050] @@ -35,14 +35,14 @@
[050]  ...
[050]  box.info.status == 'running'
[050]  ---
[050] -- true
[050] +- false
[050]  ...
[050]  box.cfg{replication = replication}
[050]  ---
[050]  ...
[050]  box.info.status == 'running'
[050]  ---
[050] -- true
[050] +- false
[050]  ...
[050]  -- Check that comparison of tables works as expected as well.
[050]  test_run:cmd("switch default")
[050] @@ -78,7 +78,7 @@
[050]  ...
[050]  box.info.status == 'running'
[050]  ---
[050] -- true
[050] +- false
[050]  ...
[050]  test_run:cmd("switch default")
[050]  ---
[050] 

Steps to reproduce:

Optional (but very desirable):

• coredump
• backtrace
• netstat