Add Testing Instructions

projects/plugins/jetpack/to-test.md

@@ -12,7 +12,27 @@
 
 ### Your Feature
 
-Add testing instructions below.
+#### GIF Block
+
+**Creating a new GIF**
+* Create a new post or edit an existing post.
+* Add the GIF block and insert it into the post.
+* Enter a search term in the "Search" field.
+* Select a GIF from Tumblr.
+* Add a caption to the GIF (optional).
+* Save or update the post.
+* View the post on the frontend site.
+* Check that the GIF displays correctly with the caption and attribution.
+
+**Testing an existing GIPHY GIF**
+* Before updating Jetpack, create a new post or edit an existing post.
+* Add the GIF block and insert it into the post.
+* Enter a search term in the "Search" field.
+* Select a GIF from GIPHY.
+* Save or update the post.
+* Switch Jetpack to use this branch.
+* View the post on the frontend site.
+* Check that the GIPHY GIF still displays correctly.
 
 ### And More!