in eventdata/parameter_sources/timeutils.py [0:0]
def simulate_tick(self, micros):
"""
Advances the current timestamp by a given number of microseconds but keep all other time components. This can be
used to avoid retrieving the current timestamp to often but still simulate changes in time.
:param micros: A positive number of microseconds to add.
:return: The current (formatted) timestamp structure as a dict.
"""
self._simulated_micros += micros
self._ts["iso"] = "%s.%03dZ" % (self._ts["iso_prefix"], self._simulated_micros)
return self._ts