what im wrong ? shortcode not work ?

add_filter( ‘woocommerce_product_tabs’, ‘wpb_new_product_tab’ );
function wpb_new_product_tab( $tabs ) {
// Add the new tab
$tabs[‘test_tab’] = array(
‘title’ => __( ‘Size Chart’, ‘text-domain’ ),
‘priority’ => 50,
‘callback’ => ‘wpb_new_product_tab_content’
);
return $tabs;
}

function wpb_new_product_tab_content() {
// The new tab content
echo ‘Size Chart’;
echo ‘[table id=2 responsive=collapse responsive_breakpoint=”phone” /]
” /.’;
}

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