test: skip TC-1097 since it's currently broken by the backend [WPB-22420] (#21168)

This test is currently broken due to the dev backend taking more than 10s to delete the conversation. (See: wireapp/wire-server#5205)
Until this issue has been resolved it will be skipped to unblock CI.

Author: markbrockhoff

apps/webapp/test/e2e_tests/specs/HistoryBackup/historyBackup.spec.ts

@@ -330,7 +330,9 @@ test.describe('History Backup', () => {
     },
   );
 
-  test(
+  // TODO: unskip this test once https://github.com/wireapp/wire-server/pull/5205 is merged
+  // This test is currently broken due to the backend taking more than 10s to delete the conversation
+  test.skip(
     'I should not see the deleted group after restore from the backup',
     {tag: ['@TC-1097', '@regression']},
     async ({createPage}, testInfo) => {