prerequisite

install pyenv to install python 3.6 and then pipenv ref. bit.ly/nnpipenv

run code

cd :THIS
    # install dependencies
    pipenv sync -d
    #           #also install dev-package

    # app config
    cp .env-sample .env
    please_do='edit .env file to fill in your setting' 

    # run test 
    pipenv run  pytest tests/path/to/your_test.py -k 'test_method'  # run a specific test method
    pipenv run  pytest tests/path/to/your_test.py                   # run tests in a file
    pipenv run  pytest -x                                           # stop after 1st failed test
    pipenv run  pytest                                              # run all

can also get PyCharm test run working with pytest-dotenv

ref1. quiqua/pytest-dotenv#10 lead to ref2. #1

01 must use dev-package version for pytest and pytest-dotenv 02 must use -d pip install i.e. pipenv sync -d

run test parallel

ref. :THIS/doc/run-test-parallel.md