tests: Move callback test to petsc file #337

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	1m 51s
pytest-ubuntu-py311-gcc11-noomp-adjoint	1m 50s
pytest-ubuntu-py38-gcc12-omp-base	1m 57s
pytest-ubuntu-py38-gcc12-omp-adjoint	1m 49s
pytest-ubuntu-py38-gcc7-omp-base	1m 52s
pytest-ubuntu-py38-gcc7-omp-adjoint	1m 54s
pytest-ubuntu-py310-gcc10-noomp-base	1m 55s
pytest-ubuntu-py310-gcc10-noomp-adjoint	1m 54s
pytest-ubuntu-py312-gcc13-omp-base	2m 1s
pytest-ubuntu-py312-gcc13-omp-adjoint	2m 0s
pytest-ubuntu-py39-gcc9-omp-base	1m 49s
pytest-ubuntu-py39-gcc9-omp-adjoint	1m 53s
pytest-osx-py312-clang-omp-base	1m 47s
pytest-docker-py39-gcc-omp-base	5m 54s
pytest-docker-py39-gcc-omp-adjoint	5m 54s
pytest-docker-py39-icx-omp-base	5m 58s
pytest-docker-py39-icx-omp-adjoint	5m 55s
	48m 13s

Provide feedback