$ export MOODLE_DOCKER_WWWROOT=/Users/stronk7/git_moodle/testing

$ export MOODLE_DOCKER_DB=pgsql

$ export MOODLE_DOCKER_BROWSER=chrome

$ export MOODLE_APP_VERSION=latest

$ cp config.docker-template.php $MOODLE_DOCKER_WWWROOT/config.php

$ bin/moodle-docker-compose up -d
Creating network "moodle-docker_default" with the default driver
Creating moodle-docker_selenium_1  ... done
Creating moodle-docker_mailhog_1   ... done
Creating moodle-docker_moodleapp_1 ... done
Creating moodle-docker_exttests_1  ... done
Creating moodle-docker_db_1        ... done
Creating moodle-docker_webserver_1 ... done

$ bin/moodle-docker-compose exec webserver php admin/tool/behat/cli/init.php
...
...
...
++ Success ++
Acceptance tests site installed
Configured app tests for version 3.9.1
Testing environment themes built
Acceptance tests environment enabled on http://webserver, to run the tests use:
vendor/bin/behat --config /var/www/behatdata/behatrun/behat/behat.yml

$ bin/moodle-docker-compose exec -u www-data webserver php admin/tool/behat/cli/run.php --tags='@app&&@mod_login'
Running single behat site:
Moodle 4.0dev (Build: 20200711), ee23a8cf250ddc9cd7b3f331775daab521c206d5
Php: 7.2.31, pgsql: 11.8 (Debian 11.8-1.pgdg90+1), OS: Linux 4.19.76-linuxkit x86_64
Server OS "Linux", Browser: "chrome"
Browser specific fixes have been applied. See http://docs.moodle.org/dev/Acceptance_testing#Browser_specific_fixes
Started at 14-07-2020, 22:35
.....................................................................

4 scenarios (4 passed)
69 steps (69 passed)
2m42.51s (54.09Mb)