TT#56376 selenium: add missing label check to controller_reseller.t

controller_reseller.t:
- forgot to add check at the very beginning. fixing that now

Change-Id: I222ec5937b67991d3ff4b2c20d8dfccf9250f60e

t/selenium/controller_reseller.t

@@ -44,6 +44,7 @@ ok($d->find_element_by_css('#Resellers_table tr > td.dataTables_empty', 'css'),
 $d->fill_element('#Resellers_table_filter label input', 'css', $resellername);
 
 diag("Check Reseller Details");
+ok($d->find_element_by_xpath('//*[@id="content"]//div[contains(text(), "Reseller successfully created.")]'), "Label 'Reseller successfully created.' was shown");
 ok($d->wait_for_text('//*[@id="Resellers_table"]/tbody/tr[1]/td[3]', $resellername), 'Reseller Name is correct');
 ok($d->find_element_by_xpath('//*[@id="Resellers_table"]//tr//td[contains(text(), "active")]'), 'Status is correct');