Add standard entrypoints tests for Modin (#76) #201

	name: earliest-versions

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	tox:
	strategy:
	matrix:
	python-version: ["3.8"]
	os: [windows-latest, ubuntu-latest]

	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Cache multiple paths
	uses: actions/cache@v3
	with:
	path: \|
	~/.cache/pip
	$RUNNER_TOOL_CACHE/Python/*
	~\AppData\Local\pip\Cache
	key: ${{ runner.os }}-build-${{ matrix.python-version }}
	- name: install-earliest-versions
	run: python -m pip install pandas==1.2.0 polars==0.17.0
	- name: install-reqs
	run: python -m pip install --upgrade tox virtualenv setuptools pip && python -m pip install -r requirements-dev.txt
	- name: Run pytest
	run: pytest tests --cov=dataframe_api_compat/pandas_standard --cov=dataframe_api_compat/polars_standard --cov=tests --cov-fail-under=80

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