// Verify that the differences are approximately correct
            long diff1 = result1 - result0;
            long diff7 = result7 - result0;
            assertTrue("1 day should be approximately ONE_DAY_IN_MILLIS", Math.abs(diff1 - Constants.ONE_DAY_IN_MILLIS) < 10000);
            assertTrue("7 days should be approximately 7 * ONE_DAY_IN_MILLIS", Math.abs(diff7 - 7 * Constants.ONE_DAY_IN_MILLIS) < 10000);
        } catch (Exception e) {