Tests: Skip tests where features not available on Windows

test/broker/01-connect-unix-socket.py

@@ -10,7 +10,7 @@ try:
     s = socket.AF_UNIX
 except AttributeError:
     # Not supported on Windows
-    exit(0)
+    exit(77)
     
 def write_config(filename, port):
     with open(filename, 'w') as f:

test/broker/22-http-api-tls.py

@@ -3,10 +3,15 @@
 from mosq_test_helper import *
 import http.client
 import json
+import platform
 import ssl
 
 mosq_test.require_features(["WITH_HTTP_API", "WITH_TLS"])
 
+if platform.system() == "Windows":
+    # gnutls not supported on Windows
+    exit(77)
+
 def write_config(filename, mqtt_port, http_port):
     with open(filename, 'w') as f:
         f.write("allow_anonymous true\n")