tree 328d1f94925245bb47f7f388927a1e63b9810f98
parent 2097bbd8c3475b99b1dd53f59196b3864babd755
author Hansong Zhang <hsz@google.com> 1586903683 -0700
committer Hansong Zhang <hsz@google.com> 1587020554 -0700

Behavior: Add wait for timeout

Keey track of the data we have seen go by. Then we can wait for an event
like:
wait_until(XYZ, timeout).y(matcher).times(1)

Test: cert/run --host
Change-Id: I3c6b128960f44ac34f375f309aea3fed473b94ba