YARN-7466. addendum patch for failing unit test. (Contributed by Chandni Singh)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockAM.java

@@ -177,7 +177,7 @@ public class MockAM {
       List<ContainerId> releases, String labelExpression) throws Exception {
     List<ResourceRequest> reqs =
         createReq(new String[] { host }, memory, priority, numContainers,
-            labelExpression, 0L);
+            labelExpression, -1);
     return allocate(reqs, releases);
   }