Added more testing to the heat map

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 57.14286% with 3 lines in your changes missing coverage. Please review.

Project coverage is 68.99%. Comparing base (4e9ded1) to head (b8524b5). Report is 13 commits behind head on development.

Files	Patch %	Lines
beakpeek/lib/View/Home/heat_map.dart	57.14%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## development #100 +/- ## =============================================== + Coverage 66.37% 68.99% +2.62% =============================================== Files 11 12 +1 Lines 452 487 +35 =============================================== + Hits 300 336 +36 + Misses 152 151 -1 ```

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