Venv creation and uv support #579

	---
	name: Unit and integration tests

	on:
	pull_request:
	branches: [main, dev]

	jobs:
	test-itwinai:
	name: Test itwinai with pytest
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install compilers for Horovod
	run: \|
	sudo apt-get update &&
	sudo apt-get install -y gcc-11 g++-11 &&
	sudo apt-get install -y cmake &&
	sudo apt-get install openmpi-bin openmpi-common openmpi-doc libopenmpi-dev &&
	gcc --version &&
	cmake --version &&
	mpirun --version

	- name: Make PyTorch virtualenv
	shell: bash -l {0}
	run: make torch-env-cpu

	- name: Make Tensorflow virtualenv
	shell: bash -l {0}
	run: make tensorflow-env-cpu

	# NOTE, to change the name in which tests are run, set custom TORCH_ENV and TF_ENV env variables.
	# Default environment names are ".venv-pytorch" and ".venv-tf"
	- name: Run pytest for workflows
	shell: bash -l {0}
	run: .venv-pytorch/bin/pytest -v ./tests/ -m "not hpc"

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