add test for multi-class with dummy Y #14

	# This workflow will install Python dependencies, run unit tests and process coverage, and if tagged commit, upload to
	# PyPI

	name: pyChemometrics

	on:
	push:
	branches: [ master, develop, "/^v\\d+\\.\\d+(\\.\\d+)?(-\\S*)?$/"]
	pull_request:
	branches: [ master, develop ]

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9]
	os: [ubuntu-latest, windows-latest, macos-latest]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	pip install .
	pip install -r requirements.txt
	pip install xlrd
	pip install coverage
	pip install codecov
	pip install wheel
	- name: Test
	run: \|
	coverage run -m unittest discover
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v1
	with:
	flags: unittests
	name: codecov-umbrella
	fail_ci_if_error: true

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