ssl_tls.c: Reject TLS 1.3 version configuration for server

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_ssl.data b/tests/suites/test_suite_ssl.data
index 7de562a..e330016 100644
--- a/tests/suites/test_suite_ssl.data
+++ b/tests/suites/test_suite_ssl.data
@@ -101,6 +101,7 @@
 mbedtls_endpoint_sanity:MBEDTLS_SSL_IS_CLIENT
 
 Test mbedtls_endpoint sanity for the server
+depends_on:MBEDTLS_SSL_PROTO_TLS1_2
 mbedtls_endpoint_sanity:MBEDTLS_SSL_IS_SERVER
 
 Test moving clients handshake to state: HELLO_REQUEST