fix tests in ci

Makefile

@@ -13,7 +13,7 @@ test-%: config-test-%
 	docker run --name $(<) \
 		--net tt_net \
 		-e TT_ETCD_ENDPOINTS="http://etcd0:2379,http://etcd1:2379,http://etcd2:2379" \
-		--rm -v $$(pwd):/source/config \
+		-v $$(pwd):/source/config \
 		-v $$(pwd)/data:/tmp/ \
 		--workdir /source/config \
 		--entrypoint '' \

config.lua

@@ -992,11 +992,7 @@ local M
 			-- Moreover, first run of box.cfg in the life of the process allows to specify static box.cfg options, such as pid_file, log
 			-- and many others.
 			-- But, second reconfiguration of box.cfg (due to reload, or reconfiguration in fencing must never touch static options)
-			-- Part of this is fixed in `do_cfg` method of this codebase. But! Tarantool is buggy, so some options such as `log` appears to
-			-- be dynamic (it is listed in load_cfg.dynamic_cfg) but in practices log is static option.
-
-			-- do_cfg calls under the hood first_cfg or redo_cfg based on type of `box.cfg` (when function -- then it is first_cfg,
-			-- otherwise -- redo_cfg).
+			-- Part of this is fixed in `do_cfg` method of this codebase.
 
 			-- Because many wrappers in docker-entrypoint.lua and tarantoolctl LOVES to perform non-redoable actions inside box.cfg and
 			-- switch box.cfg back to builtin tarantool box.cfg, following code MUST NEVER cache value of box.cfg

test/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3"
-
 x-env: &env
   ETCDCTL_API: 2
   ETCD_ENABLE_V2: true