Tr/fix ci downstream tests #4641

	name: ClimaCoreVTK CI
	on:
	pull_request:

	# Needed to allow julia-actions/cache to delete old caches that it has created
	permissions:
	actions: write
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lib-climacore-vtk:
	runs-on: ubuntu-20.04
	timeout-minutes: 30
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- uses: julia-actions/setup-julia@v2
	with:
	version: '1.10'
	- uses: julia-actions/cache@v2
	- name: Install Paraview
	run: \|
	sudo apt-get update && sudo apt-get -y install paraview python3-paraview
	- name: Install Julia dependencies
	run: \|
	julia --project=monorepo -e 'using Pkg; Pkg.develop(path="$(pwd())/lib/ClimaCoreVTK")'
	- name: Run the tests
	env:
	CI_OUTPUT_DIR: output
	run: >
	julia --project=monorepo -e 'using Pkg; Pkg.test("ClimaCoreVTK")'
	&& echo "TESTS_SUCCESSFUL=true" >> $GITHUB_ENV
	- name: Render the VTK images
	run: >
	for f in lib/ClimaCoreVTK/test/output/*.vtu;
	do
	xvfb-run -a pvpython lib/ClimaCoreVTK/paraview/renderimage.py "$f" "$f.png";
	done
	continue-on-error: true
	- name: Upload test Artifacts
	uses: actions/upload-artifact@v4
	with:
	name: climacore-vtk-output
	path: \|
	lib/ClimaCoreVTK/test/output/*.png
	- name: Fail after artifacts if tests failed
	if: ${{ env.TESTS_SUCCESSFUL != 'true' }}
	run: exit 1

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