public function selectSubTab($subTab)
{
if ($subTab == 'Lens Types') {
$this->waitForElementDisplayBlock('biometryLensTypeSubTab');
$this->getElement('biometryLensTypeSubTab')->click();
} elseif ($subTab == 'Log Viewer') {
$this->waitForElementDisplayBlock('systemLogViewerSubTab');
$this->getElement('systemLogViewerSubTab')->click();
}
}