Fatal error: Uncaught Error: Class "Tests\TestCase" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\tests\Feature\FrenchRegistrationMailApiTest.php:26 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\tests\Feature\FrenchRegistrationMailApiTest.php on line 26