README.md in snapshot-0.7.0 vs README.md in snapshot-0.7.1

@@ -155,9 +155,15 @@
 To skip cleaning the project:
 ```
 snapshot --noclean
 ```
 
+To only run tests (i.e. don't actually take any screenshots):
+```
+snapshot test
+```
+
+
 By default, `snapshot`, will re-install the app, to make sure it's in a clean state. In case you don't want this run
 
 ```
 SNAPSHOT_SKIP_UNINSTALL=1 snapshot
 ```