make notification errors go away automatically

src/views/HelpNotificationsView.vue

@@ -348,7 +348,7 @@ export default class HelpNotificationsView extends Vue {
           // Note that this exact verbiage shows in help text.
           text: "You must enable notifications before testing the web push.",
         },
-        -1,
+        5000,
       );
       return;
     }
@@ -365,7 +365,7 @@ export default class HelpNotificationsView extends Vue {
             "Check your device for the test web push message" +
             (skipFilter ? "." : " if there are new items in your feed."),
         },
-        -1,
+        5000,
       );
     } catch (error) {
       console.error("Got an error sending test notification:", error);
@@ -376,7 +376,7 @@ export default class HelpNotificationsView extends Vue {
           title: "Error Sending Test",
           text: "Got an error sending the test web push notification.",
         },
-        -1,
+        5000,
       );
     }
   }
@@ -409,7 +409,7 @@ export default class HelpNotificationsView extends Vue {
             title: "Failed",
             text: "Got an error sending a notification.",
           },
-          -1,
+          5000,
         );
       });
   }