docs: update broken look to ../screenshot-tests.md (#515)

mgr34 · Matt Goo · commit 9376a2b5a662 · 2018-12-28T09:45:21.000-10:00
diff --git a/docs/contributions/running-tests.md b/docs/contributions/running-tests.md
@@ -7,7 +7,7 @@ If you need help updating, please see [NVM](https://github.com/creationix/nvm#in
 
 ## Screenshot Tests
 
-Please refer to [screenshot tests](../screnshot-tests.md).
+Please refer to [screenshot tests](../screenshot-tests.md).
 
 ## Unit Tests
 
