updated docs

tests/README.md

@@ -0,0 +1,9 @@
+Testing
+======
+
+To build the API unit tests:
+ - `make tests`
+
+All necessary binaries and scripts will be built and copied into `build/tests`.
+
+Running `build/tests/test.sh` will execute the automatic API unit tests.

tests/api_test/zt_tcpserver4.c

@@ -5,9 +5,6 @@
 #include <sys/socket.h>
 #include <arpa/inet.h> 
 #include <unistd.h>  
-
-#include "sdk.h"
-//
  
 int atoi(const char *str);