Fixed a couple empty checks in the FeatureTestTrait.php to check for empty strings instead.
Fixed a couple empty checks in the FeatureTestTrait.php to check for empty strings instead.

lonnieezell/CodeIgniter4,ytetsuro/CodeIgniter4,samsonasik/CodeIgniter4,ytetsuro/CodeIgniter4,kenjis/CodeIgniter4,natanfelles/CodeIgniter4,samsonasik/CodeIgniter4,natanfelles/CodeIgniter4,bcit-ci/CodeIgniter4,ytetsuro/CodeIgniter4,kenjis/CodeIgniter4,samsonasik/CodeIgniter4,ytetsuro/CodeIgniter4,samsonasik/CodeIgniter4,natanfelles/CodeIgniter4,lonnieezell/CodeIgniter4,samsonasik/CodeIgniter4,samsonasik/CodeIgniter4,bcit-ci/CodeIgniter4,natanfelles/CodeIgniter4,natanfelles/CodeIgniter4,lonnieezell/CodeIgniter4,bcit-ci/CodeIgniter4,kenjis/CodeIgniter4,kenjis/CodeIgniter4,natanfelles/CodeIgniter4,ytetsuro/CodeIgniter4,lonnieezell/CodeIgniter4,ytetsuro/CodeIgniter4,kenjis/CodeIgniter4,lonnieezell/CodeIgniter4,bcit-ci/CodeIgniter4,lonnieezell/CodeIgniter4,bcit-ci/CodeIgniter4