Update pytest from 6.1.1 to 8.3.5 #1399

	## This workflow will install Python dependencies, run tests and lint with a single version of Python
	## For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
	#
	#name: Python application
	#
	#on:
	## push:
	## branches: [ master ]
	# pull_request:
	# branches: [ master ]
	#
	#jobs:
	# build:
	#
	# runs-on: ubuntu-latest
	#
	# steps:
	# - uses: actions/checkout@v2
	# - name: Set up Python 3.8
	# uses: actions/setup-python@v2
	# with:
	# python-version: 3.8
	# - name: Install dependencies
	# run: \|
	# python -m pip install --upgrade pip
	# pip install flake8 pytest
	# if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi
	# - name: Lint with flake8
	# run: \|
	# # stop the build if there are Python syntax errors or undefined names
	# flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	# flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	# - name: Test with pytest
	# run: \|
	# pytest --cov
	# - name: Posting Coverage
	# env:
	# CODECOV_TOKEN: "456f2bf2-ac0d-42de-ab61-3d69a617ce0b"
	# run: \|
	# pytest --cov=libpythonjp

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