Fix notes_on_personal_snippets_spec EE

What does this MR do?

EE port of:

Check for all possible timeago strings that can be rendered in a few minutes.

We cannot rely on just "less than a minute ago", as for whatever reason, we could see delays that update timeago to have a different string.

Fixes these failures:

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Merge request reports