private void setUpSingleCalendarResponse() throws IOException {
    setUpSingleEventResponse();
    calendarListResponse =
        new CalendarList().setItems(Collections.singletonList(CALENDAR_LIST_ENTRY));

    when(calendarListRequest.execute()).thenReturn(calendarListResponse);
  }
Sets up a response with a single calendar, containing a single event
extensions/data-transfer/portability-data-transfer-google/src/test/java/org/datatransferproject/datatransfer/google/calendar/GoogleCalendarExporterTest.java