TLSSOCKET_HANDSHAKE_INVALID test skip if DNS AAA record not available.

TLS test sevrver "badssl.com" doesn't support DNS AAA records for IPV6.
To avoid test fail if no IPV4 is chosen this test is skipped.

Author: tymoteuszblochmobica

TESTS/netsocket/tls/tlssocket_handshake_invalid.cpp

@@ -30,6 +30,14 @@ void TLSSOCKET_HANDSHAKE_INVALID()
 {
     const int https_port = 443;
     SKIP_IF_TCP_UNSUPPORTED();
+
+#if (MBED_CONF_NSAPI_DEFAULT_STACK == NANOSTACK || (MBED_CONF_NSAPI_DEFAULT_STACK == LWIP && defined(MBED_CONF_LWIP_PPP_IPV6_ENABLED)))
+    SocketAddress address;
+    nsapi_error_t result = NetworkInterface::get_default_instance()->gethostbyname("expired.badssl.com", &address);
+    if (result != NSAPI_ERROR_OK) {
+        TEST_SKIP_MESSAGE(" badssl.com not supported IP6 AAA records");
+    }
+#endif
     TLSSocket sock;
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, sock.open(NetworkInterface::get_default_instance()));
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, sock.set_root_ca_cert(tls_global::cert));