Add tests for get_pin_results_pin_information

[sbethur]

• This contribution adheres to CONTRIBUTING.md.

- [ ] I've updated CHANGELOG.md if applicable.

• I've added tests applicable for this pull request

What does this Pull Request accomplish?

Add tests for get_pin_results_pin_information. This method was made "fancy" in Python:

• Instead of returning pin indices, we call get_pin_name and return pin names
• Instead of returning channel numbers (int), we return fully-qualified channel names
• Instead of returning 3 different arrays (as in C API), we return a list of collections.namedtuple('PinInformation', ['pin_name', 'site_number', 'channel_name'])

List issues fixed by this Pull Request below, if any.

None

What testing has been done?

Ran tests

[codecov]

Codecov Report

Merging #1187 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1187   +/-   ##
======================================
  Coverage    95.1%   95.1%           
======================================
  Files          10      10           
  Lines        1655    1655           
======================================
  Hits         1574    1574           
  Misses         81      81

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