Vasp test - replace posixpath with os.path

[jan-janssen]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 10878010376

Details

• 2 of 7 (28.57%) changed or added relevant lines in 2 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage remained the same at 70.897%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pyiron_atomistics/vasp/base.py	0	5	0.0%

Files with Coverage Reduction	New Missed Lines	%
pyiron_atomistics/vasp/base.py	2	61.94%

Totals
Change from base Build 10874191518:	0.0%
Covered Lines:	10777
Relevant Lines:	15201

---

💛 - Coveralls

[jan-janssen]

======================================================================
ERROR: setUpClass (vasp.test_vasp.TestVasp)
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Traceback (most recent call last):
  File "D:\a\pyiron_atomistics\pyiron_atomistics\tests\vasp\test_vasp.py", line 56, in setUpClass
    cls.job_complete.structure = read_atoms(poscar_file, species_from_potcar=True)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\pyiron_atomistics\pyiron_atomistics\pyiron_atomistics\vasp\structure.py", line 47, in read_atoms
    species_list = get_species_list_from_potcar(potcar_file)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\a\pyiron_atomistics\pyiron_atomistics\pyiron_atomistics\vasp\structure.py", line 73, in get_species_list_from_potcar
    with open(filename) as potcar_file:
         ^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/POTCAR'

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[jan-janssen]

======================================================================
FAIL: test_run_complete (vasp.test_vasp.TestVasp.test_run_complete)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\a\pyiron_atomistics\pyiron_atomistics\tests\vasp\test_vasp.py", line 431, in test_run_complete
    self.assertTrue(
AssertionError: False is not true
----------------------------------------------------------------------

[jan-janssen]

restart_file_list: ['D:/a/pyiron_atomistics/pyiron_atomistics/tests/vasp/test_vasp/vasp_complete_hdf5/vasp_complete/CHGCAR']
test_file: D:\a\pyiron_atomistics\pyiron_atomistics\tests\vasp\test_vasp\vasp_complete_hdf5\vasp_complete\CHGCAR