Don't throw an error when analysing if no neuron-muscle connections #124

	name: OMV tests

	on:
	push:
	branches: [ master, development, experimental, ow* ]
	pull_request:
	branches: [ master, development, experimental, ow* ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ 3.7, 3.9 ]
	engine: [ jNeuroML, jNeuroML_NEURON, jNeuroML_validate ] #, NON_OMV_TESTS ]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install OMV
	run: \|
	pip install git+https://github.com/OpenSourceBrain/osb-model-validation
	pip install scipy sympy matplotlib cython pandas tables
	- name: Run OMV tests on engine ${{ matrix.engine }}
	run: \|
	omv all -V --engine=${{ matrix.engine }}; export OMV_SUCCESS=$?; echo $OMV_SUCCESS
	echo "Finished all OMV tests"
	omv list -V
	if [[ ${OMV_ENGINE} == "NON_OMV_TESTS" ]]; then echo "Continuing with tests not under OMV..."; else exit $OMV_SUCCESS; fi
	echo "Installing..."
	pip install .
	pip list

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