Ticket #21993: ajax-send-unit-test-compat.diff

wordpress/wp-includes/class-wp-ajax-response.php

@@ -126 +126 @@
          * @since 2.1.0
          */
         function send() {
+                if ( defined( 'WP_DOING_TESTS' ) && WP_DOING_TESTS ) {
+                        return;
+                }
                 header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );
                 echo "<?xml version='1.0' encoding='" . get_option( 'blog_charset' ) . "' standalone='yes'?><wp_ajax>";
                 foreach ( (array) $this->responses as $response )