Molecular atmosphere calibration tests fail from `./calibpipe/tests/`

Summary

Steps to reproduce

Run pytest from ./calibpipe/tests/ as written in the documentation.

What is the expected correct behavior?

All the tests for the molecular atmosphere calibration should pass.

Relevant logs and/or screenshots

FAILED test_molecular_atmosphere_calibrator.py::TestMolecularAtmosphere::test_macobac - FileNotFoundError: [Errno 2] No such file or directory: '/Users/tony/Work/ctasoft/calibpipe/calibpipe/tests/calibpipe/tests/data/atmosphere/molecular_atmosphere/macobac.csv'
FAILED test_molecular_atmosphere_calibrator.py::TestMolecularAtmosphere::test_calibration - OSError: [Errno could not open %s] calibpipe/tests/data/atmosphere/molecular_atmosphere/fnl_20220710_06_00.txt
FAILED test_molecular_atmosphere_calibrator.py::TestMolecularAtmosphere::test_corsika_file_creation - OSError: [Errno could not open %s] calibpipe/tests/data/atmosphere/molecular_atmosphere/fnl_20220710_06_00.txt
FAILED test_molecular_atmosphere_calibrator.py::TestMolecularAtmosphere::test_corsika_file_sanity - OSError: [Errno could not open %s] calibpipe/tests/data/atmosphere/molecular_atmosphere/fnl_20220710_06_00.txt
FAILED test_molecular_atmosphere_calibrator.py::TestMolecularAtmosphere::test_full_workflow - FileNotFoundError: [Errno 2] No such file or directory: 'calibpipe/tests/data/atmosphere/molecular_atmosphere/testarea/fnl_20211224-20211225_00_00.grib2.tar'

Environment

• Version used: commit 423842e2
• Operation System: MacOS