remove icon as mandatory confirm parameter

app/coffee/modules/common/confirm.coffee

@@ -169,6 +169,7 @@ class ConfirmService extends taiga.Service
         el.find("img").remove()
         el.find("svg").remove()
 
+        if icon
             if icon.type == "img"
                 detailImage = $('<img>').addClass('lb-icon').attr('src', icon.name)
             else if icon.type == "svg"

e2e/utils/notifications.js

@@ -77,3 +77,17 @@ notifications.errorLight.open = function() {
             });
         });
 };
+
+notifications.errorLight.close = function() {
+    var el = $('.notification-message-light-error');
+
+    return browser
+        .wait(function() {
+            return common.hasClass(el, 'inactive');
+        }, 4000)
+        .then(function(active) {
+            return browser.sleep(transition).then(function() {
+                return active;
+            });
+        });
+};