@Override
	public Map<String, Integer> getSummaryStats() {
		return summaryCache.get();
	}
@Test
	public void calculateSummaryStats() {
		Map<String, Integer> stats = service.getSummaryStats();

		assertThat(stats.get("approvalCount"), is(4));
		assertThat(stats.get("userCount"), is(2));
		assertThat(stats.get("clientCount"), is(3));
	}