fix environment already exists #8

	name: Run Build and Test

	on:
	# allows running workflows manually
	workflow_dispatch:

	push:
	branches:
	- develop
	paths:
	- '.github/workflows/run_build_and_test.yml'
	- 'install-nuclear-boy.sh'
	- 'tests/**'

	jobs:
	main:
	runs-on: ubuntu-latest

	steps:
	- name: Maximize build space
	uses: easimon/maximize-build-space@master
	with:
	root-reserve-mb: 512
	swap-size-mb: 1024
	remove-dotnet: 'true'
	remove-android: 'true'
	remove-docker-images: 'true'

	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.x

	- name: Install NuclearBoy
	run: \|
	./install-nuclear-boy.sh -d ${GITHUB_WORKSPACE} \
	-e nuclear-boy \
	-g ${GITHUB_WORKSPACE}/nuclear-boy/G4Data \
	-c ${GITHUB_WORKSPACE}/nuclear-boy/CrossSection

	- name: Run tests
	run: \|
	source ${GITHUB_WORKSPACE}/nuclear-boy/nuclear-boy
	nuclear-boy activate
	python -m pip install pytest
	python -m pytest -ra tests

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