Minor change in the JSON returned by FoldersController#create, to make it more self-explanatory.
Minor change in the JSON returned by FoldersController#create to make it more self-explanatory.

Commit b50de5f083c734310b64a3eae10b26e26fd50996 did the same for the FoldersController#update method, not #create like the comment says.
When adding a feed to a new folder, the unread entries count in the new and old folders (if any) is correctly updated.
Created a new test support macro to automate adding a feed to an existing folder during acceptance testing. Modified existing tests to take advantage of this macro.
Created new test support functions to encapsulate the logic that checks if the unread entry count in a feed or in a folder is correct, during acceptance testing.
When adding a feed to an existing folder, the unread entry count in the new and old folder (if any) are correctly updated.