test: fix a problem with Unix socket path

The test `tarantoolgh-2717-no-quit-sigint.test.lua` is failed when length of
the path to a socket is exceed max length [1]. The symptom is
triggered assertion on the line 267: 'time_quota is violated'.

NO_WRAP
tarantool> _ = require('console').listen('/home/sergeyb/sources/MRG/tarantool/build/test/app-tap/tarantoolgh-2717-no-quit-sigint.test.lua-workdir/tarantool.soc')
---
- error: 'failed to create server unix/:/home/sergeyb/sources/MRG/tarantool/build/test/app-tap/tarantoolgh-2717-no-quit-sigint.test.lua-workdir/tarantool.soc:
    No buffer space available'
...
NO_WRAP

The patch changes a path to a socket and put it to the temporary
directory. The same problem was fixed for `app-tap/console.test.lua`.

Needed for the following patch.

1. https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_un.h.html#tag_13_67_04

NO_CHANGELOG=testing
NO_DOC=testing

Author: ligurio

test/app-tap/console.test.lua

@@ -11,10 +11,9 @@ local _
 
 -- Suppress console log messages
 log.level(4)
-local CONSOLE_SOCKET = fio.pathjoin(fio.cwd(), 'tarantool-test-console.sock')
-local IPROTO_SOCKET = fio.pathjoin(fio.cwd(), 'tarantool-test-iproto.sock')
-os.remove(CONSOLE_SOCKET)
-os.remove(IPROTO_SOCKET)
+local TMPDIR = fio.tempdir()
+local CONSOLE_SOCKET = fio.pathjoin(TMPDIR, 'tarantool-test-console.sock')
+local IPROTO_SOCKET = fio.pathjoin(TMPDIR, 'tarantool-test-iproto.sock')
 
 --
 local EOL = "\n...\n"
@@ -340,5 +339,6 @@ session_id = nil
 triggers_ran = nil
 os.remove(CONSOLE_SOCKET)
 os.remove(IPROTO_SOCKET)
+fio.rmdir(TMPDIR)
 
 os.exit(test:check() and 0 or 1)

test/app-tap/gh-2717-no-quit-sigint.test.lua

@@ -136,7 +136,8 @@ local log_file = fio.abspath('tarantool.log')
 local pid_file = fio.abspath('tarantool.pid')
 local xlog_file = fio.abspath('00000000000000000000.xlog')
 local snap_file = fio.abspath('00000000000000000000.snap')
-local sock = fio.abspath('tarantool.soc')
+local tmpdir = fio.tempdir()
+local sock = fio.pathjoin(tmpdir, 'tarantool.soc')
 
 local user_grant = ' box.schema.user.grant(\'guest\', \'super\')'
 local arg = ' -e \"box.cfg{pid_file=\''
@@ -272,4 +273,6 @@ test:unlike(ph:info().status.state, popen.state.EXITED,
 ph:shutdown({stdin = true})
 ph:close()
 
+fio.rmdir(tmpdir)
+
 os.exit(test:check() and 0 or 1)