Fatal error: Uncaught Error: Class "FormBuilderTestCase" not found in /home/trendtab/public_html/vendor/kris/laravel-form-builder/tests/Fields/CollectionTypeTest.php:12 Stack trace: #0 {main} thrown in /home/trendtab/public_html/vendor/kris/laravel-form-builder/tests/Fields/CollectionTypeTest.php on line 12