fix ci test fails

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index bd3d608..3c57f81 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -1479,6 +1479,7 @@
                 MBEDTLS_SSL_DEBUG_RET( 1, "ssl_tls13_write_encrypted_extensions", ret );
                 return( ret );
             }
+            break;
 
         case MBEDTLS_SSL_HELLO_RETRY_REQUEST:
             ret = ssl_tls13_write_hello_retry_request( ssl );