message: adding severity argument to set_event_log_filter
diff: @@ -141,17 +141,19 @@ class IntegrationTestAPI:
  self.command_history.clear()
  - def set_event_log_filter(self, event=None, args=None, time_pred=None):
  + def set_event_log_filter(self, event=None, args=None, severity=None, time_pred=None):
  """
  Constructs an event predicate that is then used to filter which EVR's are interlaced in the
  - test logs. This method replaces the current filter.
  + test logs. This method replaces the current filter. Calling this method with no arguments
  + will effectively reset the filter.
  Args:
  event: an optional mnemonic (str), id (int), or predicate to specify the event type
  args: an optional list of arguments (list of values, predicates, or None to ignore)
  + severity: an EventSeverity enum or a predicate to specify the event severity
  time_pred: an optional predicate to specify the flight software timestamp
  """
  - self.event_log_filter = self.get_event_predicate(event, args, time_pred)
  + self.event_log_filter = self.get_event_predicate(event, args, severity, time_pred)
  def get_command_test_history(self):
  """
  