Show unit test namespaces

Summary: Show the full unit test name, including the namespace. Depends on D11208.

Test Plan: Inspected the "Table of Contents" of a diff created //with// D11208 and //without// D11208 applied.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11209

src/applications/differential/customfield/DifferentialUnitField.php

@@ -113,6 +113,12 @@ final class DifferentialUnitField
         }
 
         $value = idx($test, 'name');
+
+        $namespace = idx($test, 'namespace');
+        if ($namespace) {
+          $value = $namespace.'::'.$value;
+        }
+
         if (!empty($test['link'])) {
           $value = phutil_tag(
             'a',