Makes mbedgt-netsocket cases to accept port 0 as destination

Author: Veijo Pesonen

TESTS/netsocket/tcp/tcpsocket_connect_invalid.cpp

@@ -32,7 +32,6 @@ void TCPSOCKET_CONNECT_INVALID()
     TEST_ASSERT(sock.connect(NULL, 9) < 0);
     TEST_ASSERT(sock.connect("", 9) < 0);
     TEST_ASSERT(sock.connect("", 0) < 0);
-    TEST_ASSERT(sock.connect(MBED_CONF_APP_ECHO_SERVER_ADDR, 0) < 0);
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, sock.connect(MBED_CONF_APP_ECHO_SERVER_ADDR, 9));
 
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, sock.close());

TESTS/netsocket/udp/udpsocket_sendto_invalid.cpp

@@ -32,7 +32,6 @@ void UDPSOCKET_SENDTO_INVALID()
     TEST_ASSERT(sock.sendto(NULL, 9, NULL, 0) < 0);
     TEST_ASSERT(sock.sendto("", 9, NULL, 0) < 0);
     TEST_ASSERT(sock.sendto("", 0, NULL, 0) < 0);
-    TEST_ASSERT_EQUAL(5, sock.sendto(MBED_CONF_APP_ECHO_SERVER_ADDR, 0, "hello", 5));
     TEST_ASSERT_EQUAL(0, sock.sendto(MBED_CONF_APP_ECHO_SERVER_ADDR, 9, NULL, 0));
     TEST_ASSERT_EQUAL(5, sock.sendto(MBED_CONF_APP_ECHO_SERVER_ADDR, 9, "hello", 5));