Fix photom test

[ddavis-stsci]

Resolves RCAL-nnnn

Closes #

This PR updates some photom parameters and artifactory files for test_wfi_photom.py
and now,
-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
=========== 1 passed, 18 deselected, 1 warning in 802.56s (0:13:22) ============

Checklist

• [N/A] added entry in CHANGES.rst under the corresponding subsection
• updated relevant tests
• [N/A] updated relevant documentation
• updated relevant milestone(s)
• added relevant label(s)

[codecov]

Codecov Report

Merging #560 (845bef5) into main (e3f3977) will decrease coverage by 2.24%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #560      +/-   ##
==========================================
- Coverage   81.73%   79.49%   -2.25%     
==========================================
  Files          39       41       +2     
  Lines        1150     1224      +74     
==========================================
+ Hits          940      973      +33     
- Misses        210      251      +41     

Flag	Coverage Δ
nightly	79.49% <ø> (-2.25%)	⬇️
unit	?

Impacted Files	Coverage Δ
romancal/tests/base_classes.py	42.46% <0.00%> (ø)
romancal/tests/__init__.py	100.00% <0.00%> (ø)
romancal/regtest/regtestdata.py	59.18% <0.00%> (+0.51%)	⬆️

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