PipeKotlinTest.honorsUnderlyingSinkDeadlineOnFlushingWhenItIsSmaller is flaky

[JakeWharton]

okio.PipeKotlinTest[jvm] > honorsUnderlyingSinkDeadlineOnFlushingWhenItIsSmaller[jvm] FAILED
    java.lang.AssertionError: expected:<5.0E8> but was:<1000000.0>
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotEquals(Assert.java:835)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:685)
        at okio.PipeKotlinTest.assertDuration(PipeKotlinTest.kt:831)
        at okio.PipeKotlinTest.honorsUnderlyingSinkDeadlineOnFlushingWhenItIsSmaller(PipeKotlinTest.kt:469)