Bump luatest to 0.5.7-48-g18859f6

Oleg Chaplashkin · ylobankov · commit aa3b34d6eea0 · 2023-09-14T16:56:51.000+04:00
New version includes the following commits related to luatest functionality: - Parse custom net box URI (Unix socket) correctly [1] - Move creating required resources to start funcs [2] - Group some if conditions from `Server:initialize` [3] - Not delete server's workdir in Server:drop() [4] [1] tarantool/luatest@869ba1c [2] tarantool/luatest@7d1358c [3] tarantool/luatest@a188577 [4] tarantool/luatest@18859f6
diff --git a/lib/luatest b/lib/luatest
@@ -1 +1 @@
-Subproject commit 2d51155370ec59dc39ece1dbba4ddf915dfa1eac
+Subproject commit 18859f6a67d7f92bda12297869d56928d9d7dc88
