Add Unit Test for bottle_reader.py

[fallscameron01]

Add Unit Test for bottle_reader.py

Problem

Create a unit test to test the functionality of vision > competition_inputs > bottle_reader.py

Solution

Create a unit test that will test all functions and classes in the file.

Additional Information

Unit tests should test the following:
Given the specified input that the function is expecting, the function should return the correct type without crashing. Function/class should behave as specified/expected in the docstring or any other descriptions.