Support multiple skip axes in iter_indices and broadcast_shapes #305

	name: Tests
	on: [push, pull_request]
	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12-dev']
	# https://numpy.org/neps/nep-0029-deprecation_policy.html
	numpy-version: ['1.22', 'latest', 'dev']
	exclude:
	- python-version: '3.12-dev'
	numpy-version: '1.22'
	fail-fast: false
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Dependencies
	run: \|
	set -x
	set -e
	python -m pip install pyflakes pytest pytest-doctestplus hypothesis pytest-cov pytest-flakes packaging
	if [[ ${{ matrix.numpy-version }} == 'latest' ]]; then
	python -m pip install --pre --upgrade numpy
	elif [[ ${{ matrix.numpy-version }} == 'dev' ]]; then
	python -m pip install --pre --upgrade --extra-index https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
	else
	python -m pip install --upgrade numpy==${{ matrix.numpy-version }}.*
	fi
	- name: Run Tests
	run: \|
	set -x
	set -e

	python -We:invalid -We::SyntaxWarning -m compileall -f -q ndindex/
	# The coverage requirement check is done by the coverage report line below
	PYTEST_FLAGS="$PYTEST_FLAGS -v --cov-fail-under=0";
	pytest $PYTEST_FLAGS
	./run_doctests
	# Make sure it installs
	python setup.py install
	# Coverage. This also sets the failing status if the
	# coverage is not 100%. Travis sometimes cuts off the last command, which is
	# why we print stuff at the end.
	if ! coverage report -m; then
	echo "Coverage failed";
	false;
	else
	echo "Coverage passed";
	fi;

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