git clone https://github.com/jcergolj/contract-test-examples.git
composer install
tests/withTrait/StripePaymentGatewayTest.php line 17
tests/withDataProviders/PaymentGatewayContractTest.php line 43
cd tests/withTrait
cd tests/withDataProviders
Run in command line
phpunit tests/withTrait
phpunit tests/withDataProviders