$charttabledataxpath = $feedbackxpath .
"/following-sibling::div[contains(concat(' ', normalize-space(@class), ' '), ' chart-table-data ')][1]";
// If chart data is not visible then expand.
$node = $this->get_selected_node("xpath_element", $charttabledataxpath);
$charttabledataxpath = $feedbackxpath .
"/following-sibling::div[contains(concat(' ', normalize-space(@class), ' '), ' chart-table-data ')][1]";
// If chart data is not visible then expand.
$node = $this->get_selected_node("xpath_element", $charttabledataxpath);