eful message, or None if the measured test passed its requirement.</p></dd></dl><dl class="attributes block"><dt>Definition Classes</dt><dd><a href="" name="com.workday.warp.arbiters.PercentageDegradationArbiter" id="com.workday.warp.arbiters.PercentageDegradationArbiter" class="extype">PercentageDegradationArbiter</a> → <a href="ArbiterLike.html" name="com.workday.warp.arbiters.ArbiterLike" id="com.workday.warp.arbiters.ArbiterLike" class="extype">ArbiterLike</a></dd></dl></div></li><li class="indented0 