+Test an in-progress patch
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
+To test an in-progress patch from a GitHub Pull Request. Upload this
+job to the :doc:`Jenkins Sandbox <lfdocs:jenkins-sandbox>`. Then when manually
+building the job replace the GERRIT_REFSPEC parameter with the GitHub Pull
+Request number of the patch you would like to test.
+
+Example GitHub:
+
+.. code-block:: none
+
+ GERRIT_REFSPEC: origin/pr/49/merge