use pandas.testing.assert_frame_equal

[orbeckst]

• fix pandas.util.testing import assert_frame_equal not found #248
• use pandas.testing.assert_frame_equal
• XFAIL topology scaling tests for GROMACS >= 2022 (missing Improp. Dihedrals section in AMBER FF topology tests #236)

[orbeckst]

Two tests fail locally

================================== short test summary info ===================================
FAILED tests/fileformats/top/test_amber03star.py::TestAmber03star::test_mdrun - KeyError: "['Improper Dih.'] not in index"
FAILED tests/fileformats/top/test_amber03w.py::TestAmber03w::test_mdrun - KeyError: "['Improper Dih.'] not in index"
========================= 2 failed, 16 passed, 2 warnings in 17.92s ==========================

Not sure why, need to look into it... maybe newer version of GROMACS??

[codecov]

Codecov Report

Merging #250 (c408802) into main (11f0daf) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #250   +/-   ##
=======================================
  Coverage   66.49%   66.49%           
=======================================
  Files          23       23           
  Lines        4325     4325           
  Branches      748      739    -9     
=======================================
  Hits         2876     2876           
- Misses       1254     1256    +2     
+ Partials      195      193    -2     

see 1 file with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[orbeckst]

This is actually #236 — although it ought to have been skipped?!?

[orbeckst]

Failures are an issue with mamba on macOS, which I am going to ignore.