Milestone 3

[ericlee0920]

Documentation not complete for test functions - -5 quality

[lzung]

@ericlee0920 Can you confirm that the documentation is incomplete for our test functions (https://github.com/UBC-MDS/colourpickr/tree/v0.2.0/tests/testthat)? Is there an example of what you were looking for?