Will OrderedDecoupledHWIOTester insert bubble for the output.ready signal?

[songmaotian]

Hello,
I am using the OrderedDecoupledHWIOTester for testing, I check the wavform, it seems the output.ready signal maintain high, Is it possible to insert random bubble for the signal, so that the test will be much better

[chick]

Is it possible to provide some example code here?

[songmaotian]

There's a example in src/test/scala/DecoupledGCD.scala