TT#56376 selenium: fix for tooltip blocking main menu in ctr_emergency

controller_emergency.t:
- tooltips are hell... clicking on back button kills the tooltip and frees
the area where it wants to click
- also fixed a typo

Change-Id: I894c97e5bbc35f770cd1e55cef22d297af16b50c
(cherry picked from commit 5357fb4e52)

t/selenium/controller_emergency.t

@@ -208,7 +208,8 @@ $d->find_element('//*[@id="dataConfirmOK"]')->click();
 diag("Check if Emergency Container was deleted");
 is($d->get_text('//*[@id="content"]//div[contains(@class, "alert")]'), "Emergency mapping container successfully deleted",  "Correct Alert was shown");
 $d->fill_element('//*[@id="emergency_containers_table_filter"]/label/input', 'xpath', $containername);
-ok($d->find_element_by_css('#emergency_containers_table tr > td.dataTables_empty', 'css'), 'Emergency Mapping was deleted');
+ok($d->find_element_by_css('#emergency_containers_table tr > td.dataTables_empty', 'css'), 'Emergency Container was deleted');
+$d->find_element('//*[@id="content"]//div//a[contains(text(), "Back")]')->click();
 
 $c->delete_domain($domainstring);
 $c->delete_reseller_contract($contractid);