Add google/cloud-tools to the require-dev section of your composer.json.

You can also run the following command:

$ composer require google/cloud-tools --dev

The example test cases are available in test/fixtures/appengine-standard directory.

There are multiple environment variables to control the behavior of our test traits.

• RUN_DEVSERVER_TESTS: Set to true if you want to run tests with DevAppserverTestTrait
• PHP_CGI_PATH: Path to php-cgi for running dev_appserver
• LOCAL_TEST_TARGETS: You can specify multiple yaml files if your test need multiple services.
• RUN_DEPLOYMENT_TESTS: Set to true if you want to run tests with AppEngineDeploymentTrait
• GOOGLE_PROJECT_ID: The project id for deploying the application
• GOOGLE_VERSION_ID: The version id for deploying the application