add tcp init -> opening -> active -> closing -> closed test case

src/session/test/gtest_tcp_opening_to_active.cpp

@@ -1,6 +1,6 @@
 // TCP state machine test: opening -> active
 
-#include "test_state_machine.h"
+#include "test_utils.h"
 
 /******************************************************************************
  * case: TCP opening -> active (by C2S DATA)
@@ -19,7 +19,7 @@ TEST(TCP_OPENING_TO_ACTIVE, BY_SYN_C2S_DATA)
     mgr = session_manager_create(&config);
     EXPECT_TRUE(mgr != NULL);
 
-    // SYN Packet
+    // C2S SYN Packet
     printf("=> packet parse: TCP C2S SYN packet\n");
     packet_parse(&pkt, (const char *)tcp_pkt1_c2s_syn, sizeof(tcp_pkt1_c2s_syn));
     printf("<= packet parse\n\n");