SSB-47: Fix range

CAL/CalibrationCommon/lib/utils.py

@@ -16,9 +16,9 @@ def is_observation_in_range(start, end, from_datetime, to_datetime):
     :return: true if the observation is contained in the range false otherwise
     :raises: ValueError if start > end
     """
-    if start <= end:
-        start_in_range = from_datetime < start < to_datetime
-        end_in_range = from_datetime < end < to_datetime
+    if start < end:
+        start_in_range = from_datetime <= start < to_datetime
+        end_in_range = from_datetime < end <= to_datetime
     else:
         raise ValueError('start datetime is greater then end datetime')