SensePi Tests

[ab7289]

Title

This PR adds test coverage for the sensePi package.

Description

This PR does not add any new features or bugfixes. Just adds test coverage.

Types of Changes

Put an x in the boxes that apply

• [ x] Feature (non-breaking change which adds functionality)
• Bug Fix (non-breaking change that fixes an issue)
• Breaking Change (feature/fix that causes existing features to not work as expected)
• Documentation

Checklist

• [ x] I have read the [contribute]contributing doc
• [ x] Classes, scripts, and environment variables follow existing naming convention
• [ x] Lint and Unit tests pass locally
• [ x] New features on hardware have been tested on a local Raspberry Pi
• [ x] Mention new programs/binaries if any must be installed along with this change
• [ x] Mention new environment variables if any have been added to hardware/env file
• [ x] Test coverage should not drop more than 3%

[yashasvid]

LGTM!