d):String" class="anchorToMember"></a> <span class="permalink"><a href="../../../../com/workday/warp/arbiters/PercentageDegradationArbiter.html#failureMessage(testId:com.workday.warp.TestId):String" title="Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="name">failureMessage</span><span class="params">(<span name="testId">testId: <a href="../TestId.html" name="com.workday.