abstract CWL test: recusively validate #249

	name: Java CI
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt -r dev-requirements.txt
	- name: Run Python tests to generate workflow examples.
	run: \|
	pytest tests/test_lint.py tests/test_cytoscape.py
	- name: Set up JDK
	uses: actions/setup-java@v1
	with:
	java-version: 11.0.x
	- name: Run Java maven (mvn) tests for generated workflow examples.
	run: \|
	cd java
	mvn -B test --file pom.xml

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