Add Digital and Counter create channel tests

[zhindes]

• This contribution adheres to CONTRIBUTING.md.

What does this Pull Request accomplish?

This adds a test per DI, DO, CI, and CO create channel methods to validate that they can successfully be used. There is a small amount of functional validation that parameters are properly being passed through the layers of Python and underlying driver API.

Why should this Pull Request be merged?

This will give us confidence that we haven't broken anything as we refactor parts of the Python and driver stack.

What testing has been done?

$ poetry run ni-python-styleguide fix tests && poetry run ni-python-styleguide lint tests && poetry run pytest -rs
================================ test session starts ================================
platform win32 -- Python 3.10.10, pytest-7.4.2, pluggy-1.3.0
rootdir: C:\dev\nidaqmx-python
configfile: pyproject.toml
testpaths: tests
plugins: cov-4.1.0, mock-3.11.1
collected 1529 items
...
============= 1331 passed, 131 skipped, 67 xfailed in 116.93s (0:01:56) =============

[github-actions]

Test Results

    30 files  ±    0      30 suites  ±0   35m 2s ⏱️ +22s
 1 530 tests +   98   1 350 ✅ +   98    180 💤 ±0  0 ❌ ±0 
23 580 runs  +1 470  20 960 ✅ +1 470  2 620 💤 ±0  0 ❌ ±0 

Results for commit 547bf2e. ± Comparison against base commit 7119a3f.

[bkeryan]

Approved with suggestions