message: Test SetClear
diff: @@ -8074,9 +8074,29 @@ TEST(Sync_Set)
  session_1.wait_for_download_complete_or_client_stopped();
  session_2.wait_for_download_complete_or_client_stopped();
  + {
  ReadTransaction read_1{db_1};
  ReadTransaction read_2{db_2};
  CHECK(compare_groups(read_1, read_2));
  }
  + {
  + WriteTransaction wt{db_1};
  + auto t = wt.get_table("class_Foo");
  + auto obj = t->get_object_with_primary_key(0);
  + auto ints = obj.get_set<int64_t>(col_ints);
  + ints.clear();
  + session_1.nonsync_transact_notify(wt.commit());
  + }
  +
  + session_1.wait_for_upload_complete_or_client_stopped();
  + session_2.wait_for_download_complete_or_client_stopped();
  +
  + {
  + ReadTransaction read_1{db_1};
  + ReadTransaction read_2{db_2};
  + CHECK(compare_groups(read_1, read_2));
  + }
  +}
  +
  } // unnamed namespace
  