Found this repo today and gave it a shot. See these every time I run behat:
Deprecated: The ability to pass file names to the Symfony\Component\Yaml\Yaml::parse method is deprecated since version 2.2 and will be removed in 3.0. Pass the YAML contents of the file instead. in /Users/russell/docker/wp/wp-content/plugins/behat-test/behat/vendor/symfony/yaml/Symfony/Component/Yaml/Yaml.php on line 58
Deprecated: The ability to pass file names to the Symfony\Component\Yaml\Yaml::parse method is deprecated since version 2.2 and will be removed in 3.0. Pass the YAML contents of the file instead. in /Users/russell/docker/wp/wp-content/plugins/behat-test/behat/vendor/symfony/yaml/Symfony/Component/Yaml/Yaml.php on line 58
Deprecated: The Symfony\Component\Translation\Translator::setFallbackLocale method is deprecated since version 2.3 and will be removed in 3.0. Use the setFallbackLocales() method instead. in /Users/russell/docker/wp/wp-content/plugins/behat-test/behat/vendor/symfony/translation/Symfony/Component/Translation/Translator.php on line 163
Found this repo today and gave it a shot. See these every time I run behat: