Fix unit test for FilterAlgorithm.get_nearest_time()

The previous unit test relied on broken behavior of get_nearest_time()
to pass. With get_nearest_time() fixed, the unit test needed to be
updated accordingly.

test/algorithm_test/FilterAlgorithm_test.py

@@ -313,7 +313,7 @@ def test_get_nearest__oneday_average():
     f = FilterAlgorithm(input_sample_period=60.0, output_sample_period=86400.0)
     step = f.get_filter_steps()[0]
     time = UTCDateTime("2020-08-20T01:00:00")
-    aligned = get_nearest_time(step=step, output_time=time)
+    aligned = get_nearest_time(step=step, output_time=time, left=False)
     # filter is average for day, should be first/last minute samples of 2020-08-20
     assert_equal(aligned["data_start"], UTCDateTime("2020-08-20T00:00:00"))
     assert_equal(aligned["time"], UTCDateTime("2020-08-20T11:59:30"))