Discord test case enhancement and code fix (dupe entry)

[caronc]

Description:

Related issue (if applicable): n/a

• updated test-cases to not block on sleep() if possible to
• updated typo in the NotifyDiscord.py file

Checklist

• [x] The code change is tested and works locally.
• [x] There is no commented out code in this PR.
• [x] No lint errors (use flake8)
• [x] 100% test coverage

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (6764590) 99.26% compared to head (eb3ce81) 99.27%. Report is 1 commits behind head on master.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1063 +/- ## ========================================== + Coverage 99.26% 99.27% +0.01% ========================================== Files 136 136 Lines 17733 17738 +5 Branches 3616 3618 +2 ========================================== + Hits 17602 17610 +8 + Misses 120 119 -1 + Partials 11 9 -2 ```

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