[Tarantool-patches] [PATCH v1] test: flaky replication/gh-3642-misc-* test

[Alexander V. Tikhonov]

On heavy loaded hosts found the following issue:

  [036] --- replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.result	Sun Sep  6 23:49:57 2020
  [036] +++ replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.reject	Mon Sep  7 04:07:06 2020
  [036] @@ -63,7 +63,7 @@
  [036]  ...
  [036]  box.info.replication[1].upstream.status
  [036]  ---
  [036] -- follow
  [036] +- disconnected
  [036]  ...
  [036]  test_run:cmd('switch default')
  [036]  ---

It happened because replication upstream status check occurred too
early, when it was only in 'disconnected' state. To give the
replication status check routine ability to reach the needed 'follow'
state, it need to wait for it using test_run:wait_upstream() routine.

Closes #5276
---

Github: https://github.com/tarantool/tarantool/tree/avtikhon/gh-4940-replication-misc
Issue: https://github.com/tarantool/tarantool/issues/5276

 .../gh-3642-misc-no-socket-leak-on-replica-disconnect.result  | 4 ++--
 ...gh-3642-misc-no-socket-leak-on-replica-disconnect.test.lua | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.result b/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.result
index d068ad8fc..e2adb3bc3 100644
--- a/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.result
+++ b/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.result
@@ -61,9 +61,9 @@ test_run:cmd("setopt delimiter ''");
 ---
 - true
 ...
-box.info.replication[1].upstream.status
+test_run:wait_upstream(1, {status = 'follow'})
 ---
-- follow
+- true
 ...
 test_run:cmd('switch default')
 ---
diff --git a/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.test.lua b/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.test.lua
index 9cfbe7214..ac26aa314 100644
--- a/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.test.lua
+++ b/test/replication/gh-3642-misc-no-socket-leak-on-replica-disconnect.test.lua
@@ -28,7 +28,7 @@ for i = 1, 64 do
 end;
 test_run:cmd("setopt delimiter ''");
 
-box.info.replication[1].upstream.status
+test_run:wait_upstream(1, {status = 'follow'})
 
 test_run:cmd('switch default')
 
-- 
2.17.1