Add error test for slash command GraphQL query

Lesley Razzaghianrequested to merge
slash-commands-test-followup into master

What does this MR do and why?

Adds a test for the error state for the Duo Chat Slash Command GraphQL Query.

References

Original MR !169641 (merged)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

N/A

How to set up and validate locally

N/A

Edited by Lesley Razzaghian

Merge request reports