Downgrade old LAMMPS tests (#378)

* Downgrade old LAMMPS tests * call individual tests

Author: jan-janssen

.ci_support/environment-old.yml

@@ -1,10 +1,10 @@
 channels:
 - conda-forge
 dependencies:
-- lammps =2024.06.27=*_mpi_openmpi_*
+- lammps =2022.06.23
 - openmpi
 - numpy =1.23.5
-- mpi4py =4.0.1
+- mpi4py =3.1.4
 - executorlib =1.3.0
 - ase =3.23.0
 - scipy =1.9.3

.github/workflows/pipeline.yml

@@ -152,7 +152,14 @@ jobs:
  timeout-minutes: 5
  run: |
  pip install . --no-deps --no-build-isolation
- python -m unittest discover tests
+ python -m unittest tests/test_ase_interface.py
+ python -m unittest tests/test_base.py
+ python -m unittest tests/test_concurrent.py
+ python -m unittest tests/test_exception.py
+ python -m unittest tests/test_executor.py
+ python -m unittest tests/test_mpi_backend_extended.py
+ python -m unittest tests/test_mpi_backend.py
+ python -m unittest tests/test_pylammpsmpi_local.py
 
  autobot:
  needs: [unittest_old, unittest_openmpi, unittest_mpich, pip_check, coverage]