if err != nil {
			os.RemoveAll(dir)
			t.Fatalf("Unable to read entries, %s", err)
		}
		if len(entries) != testCase.expectedNum {
			os.RemoveAll(dir)
			t.Fatalf("Test %d: unexpected number of entries, waiting for %d, but found %d",
				i+1, testCase.expectedNum, len(entries))
		}
		os.RemoveAll(dir)
	}