Update test_controller.py

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 42.85714% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 51.52%. Comparing base (5a912c1) to head (4fe230e). Report is 3 commits behind head on develop.

Files	Patch %	Lines
src/navigate/controller/controller.py	60.00%	2 Missing :warning:
...ntroller/sub_controllers/camera_view_controller.py	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #905 +/- ## =========================================== + Coverage 51.07% 51.52% +0.45% =========================================== Files 178 178 Lines 19055 19057 +2 =========================================== + Hits 9732 9820 +88 + Misses 9323 9237 -86 ``` | [Flag](https://app.codecov.io/gh/TheDeanLab/navigate/pull/905/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=TheDeanLab) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/TheDeanLab/navigate/pull/905/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=TheDeanLab) | `51.52% <42.85%> (+0.45%)` | :arrow_up: | 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=TheDeanLab#carryforward-flags-in-the-pull-request-comment) to find out more.

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