make headtitle subclass of kicker field #592

	name: Tests
	on: [push]
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python: [3.7, 3.8, 3.9, "3.10", "3.11"]
	plone: ["6.0.6", "5.2.10"]
	exclude:
	- plone: "6.0.6"
	python: 3.7
	- plone: "5.2.10"
	python: 3.9
	- plone: "5.2.10"
	python: "3.10"
	- plone: "5.2.10"
	python: "3.11"

	steps:
	# git checkout
	- uses: actions/checkout@v2

	- name: Setup Plone ${{ matrix.plone }} with Python ${{ matrix.python }}
	id: setup
	uses: plone/setup-plone@v1.0.0
	with:
	python-version: ${{ matrix.python }}
	plone-version: ${{ matrix.plone }}

	# Install plone.volto with test extras
	- name: Install plone.volto
	run: \|
	pip install ".[test]"

	# test
	- name: test
	run: \|
	zope-testrunner --auto-color --auto-progress --test-path src

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