Removing bogus waitForMessage (and unnecessary interrupt) from unrestorableAgent. Sometimes a failing waitForMessage seems to trigger https://maven.apache.org/surefire/maven-surefire-plugin/faq.html#corruptedstream though I cannot track down why.

Author: jglick

src/test/java/org/jenkinsci/plugins/workflow/support/steps/ExecutorStepTest.java

@@ -515,8 +515,6 @@ private static void assertLogMatches(WorkflowRun build, String regexp) throws IO
                 WorkflowRun b = p.getLastBuild();
                 assertTrue(b.isBuilding());
                 SemaphoreStep.success("wait/1", null);
-                r.waitForMessage(hudson.model.Messages.Queue_NodeOffline("dumbo"), b);
-                b.getExecutor().interrupt();
                 r.assertBuildStatus(Result.ABORTED, r.waitForCompletion(b));
                 assertEquals(Collections.emptyList(), Arrays.asList(Queue.getInstance().getItems()));
                 r.assertLogContains("dumbo has been removed for 15 sec, assuming it is not coming back", b);