added headers to Douglas 2004 general; closes #19 #22

	name: Data Tests

	on: [push, pull_request]

	jobs:
	data_tests:
	name: Data tests
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	test: [duplicate_entries, file_format, missing_values, vote_breakdown_totals]

	env:
	LOG_FILE: ${{ github.workspace }}/${{ matrix.test }}.txt

	steps:
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.x

	- name: Check out data
	uses: actions/checkout@v4
	with:
	path: data

	- name: Check out data tests
	uses: actions/checkout@v4
	with:
	repository: openelections/openelections-data-tests
	ref: v2.2.0
	path: data_tests

	- name: Run data tests
	run: python3 ${{ github.workspace }}/data_tests/run_tests.py --group-failures --log-file=${{ env.LOG_FILE }} ${{ matrix.test }} ${{ github.workspace }}/data

	- name: Upload artifacts
	uses: actions/upload-artifact@v4
	if: failure()
	with:
	name: ${{ matrix.test }}_full_logs
	path: ${{ env.LOG_FILE }}

Provide feedback