if (!empty($byInterface['HeadlessInterface']) && CIVICRM_UF !== 'UnitTests') {
$testNames = implode(', ', array_keys($byInterface['HeadlessInterface']));
if (!empty($byInterface['HeadlessInterface']) && CIVICRM_UF !== 'UnitTests') {
$testNames = implode(', ', array_keys($byInterface['HeadlessInterface']));