	@Test
	public void returnsTrueWhenServersPass() throws Exception {

		final DiskSpace server0Space = new DiskSpace(128L, 1024L);
		spaceMap.put(servers[0], server0Space);
		final DiskSpace server1Space = new DiskSpace(128L, 512L);
		spaceMap.put(servers[1], server1Space);

		when(threshold.withinThreshold(server0Space)).thenReturn(true);
		when(threshold.withinThreshold(server1Space)).thenReturn(true);

		boolean isSpace = checker.isSpaceAvailable();

		assertThat(isSpace).isTrue();
		verify(threshold).withinThreshold(server0Space);
		verify(threshold).withinThreshold(server1Space);
		verify(clusterManager).getServers();
		verify(clusterManager).getDiskSpace();
	}