[Tarantool-patches] [PATCH 4/8] test: introduce raft unit tests

[Vladislav Shpilevoy]

Apparently, as Sergey B. pointed out, build fails on Linux
due to open() not defined.

Here is a fix, force pushed:

====================
diff --git a/test/unit/raft_test_utils.c b/test/unit/raft_test_utils.c
index 4acd74e8f..c3be72317 100644
--- a/test/unit/raft_test_utils.c
+++ b/test/unit/raft_test_utils.c
@@ -33,6 +33,8 @@
 #include "raft_test_utils.h"
 #include "random.h"
 
+#include <fcntl.h>
+