if self.ramp_up_rate:
# Figure out whether we need to insert a ramp-up trial.
# TODO: Give up on async_call=True?
- if self.ramp_up_start is None:
- # We never ramped up yet.
+ if ramp_up_only or self.ramp_up_start is None:
+ # We never ramped up yet (at least not in this test case).
ramp_up_needed = True
else:
# We ramped up before, but maybe it was too long ago.