unittests: update tests

[codecov[bot]]

Codecov Report

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

Project coverage is 60.66%. Comparing base (150984f) to head (d705b36). Report is 6 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #421 +/- ## ========================================== - Coverage 60.68% 60.66% -0.02% ========================================== Files 15 15 Lines 2564 2568 +4 ========================================== + Hits 1556 1558 +2 - Misses 1008 1010 +2 ``` | [Flag](https://app.codecov.io/gh/OpenVoiceOS/ovos-core/pull/421/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=OpenVoiceOS) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/OpenVoiceOS/ovos-core/pull/421/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=OpenVoiceOS) | `60.66% <ø> (-0.02%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=OpenVoiceOS#carryforward-flags-in-the-pull-request-comment) to find out more.

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