Add info for buildkit patch argument, remove duplicate section

docs/tools/buildkit.md

@@ -79,6 +79,22 @@ npm update
 npm install fs-extra
 ```
 
+## Applying a patch
+
+Using buildkit, you can create a CiviCRM environment with the PR applied.
+
+For Example:
+
+```bash
+civibuild create dmaster \
+  --url http://localhost:8001 \
+  --patch https://github.com/civicrm/civicrm-core/pull/8494 \
+  --admin-pass s3cr3t
+```
+
+This will create a test environment with the Drupal, CiviCRM master branch
+and the patch in PR 8494. More detailed information is in the
+[Civibuild documentation](https://github.com/civicrm/civicrm-buildkit/blob/master/doc/civibuild.md)
 
 ## Configuring buildkit after installation {:#configuring}
 

docs/tools/phpstorm.md

@@ -23,14 +23,6 @@ Create the 'CiviCRM' code styling preference:
 
 That's it. You can now use this code style on all future CiviCRM-related projects. If you are only developing for CiviCRM, you can also copy this style to the 'Default' style.
 
-
-## Running CiviCRM's automated tests from within PhpStorm
-
-TODO: write this section, drawing on some content here:
-
-https://wiki.civicrm.org/confluence/display/CRMDOC/Tests+in+phpstorm
-
-
 ## XDebug integration
 
 TODO