MNT Include versioned-admin in CI runs (#393)

Author: GuySartorelli

.github/workflows/ci.yml

@@ -27,3 +27,6 @@ jobs:
         - endtoend: true
           endtoend_suite: cms
           endtoend_config: vendor/silverstripe/cms/behat.yml
+        - endtoend: true
+          endtoend_suite: versioned-admin
+          endtoend_config: vendor/silverstripe/versioned-admin/behat.yml

phpunit.xml.dist

@@ -54,6 +54,7 @@
             <directory>vendor/silverstripe/mimevalidator/tests/</directory>
             <directory>vendor/silverstripe/reports/tests/</directory>
             <directory>vendor/silverstripe/siteconfig/tests/php/</directory>
+            <directory>vendor/silverstripe/versioned-admin/tests/</directory>
         </testsuite>
     </testsuites>
 </phpunit>