backport OWLS-121128 to release4.2

Author: hzhao-github

integration-tests/src/test/java/oracle/weblogic/kubernetes/ItMaxConcurOptions.java

@@ -547,7 +547,7 @@ private static boolean findStringInDomainStatusServerHealth(String regex) {
   private OffsetDateTime verifyServersStartedConcurrently(String managedServerPodNamePrefix,
                                                           int startPodNum,
                                                           int endPodNum) {
-    final int deltaValue = 60; // seconds
+    final int deltaValue = 120;
     OffsetDateTime msPodCreationTime = null;
 
     // get managed server pod creation time