diff --git a/testing-modules/load-testing-comparison/src/main/resources/scripts/Gatling/GatlingScenario.scala b/testing-modules/load-testing-comparison/src/main/resources/scripts/Gatling/GatlingScenario.scala
index f9b3837759..f17f5f6124 100644
--- a/testing-modules/load-testing-comparison/src/main/resources/scripts/Gatling/GatlingScenario.scala
+++ b/testing-modules/load-testing-comparison/src/main/resources/scripts/Gatling/GatlingScenario.scala
@@ -7,7 +7,7 @@ import scala.concurrent.duration._
 
 class RewardsScenario extends Simulation {
 
-  def randCustId() = Random.nextInt(99)
+  def randCustId() = java.util.concurrent.ThreadLocalRandom.current().nextInt(1, 10000)
   
   val httpProtocol = http.baseUrl("http://localhost:8080")
 					    .acceptHeader("text/html,application/json;q=0.9,*/*;q=0.8")
@@ -20,16 +20,14 @@ class RewardsScenario extends Simulation {
 	.repeat(10){
 		exec(http("transactions_add")
 		  .post("/transactions/add/")
-		  .body(StringBody("""{ "customerRewardsId":null,"customerId":""""+ randCustId() + """","transactionDate":null }""")).asJson
+		  .body(StringBody(_ => s"""{ "customerRewardsId":null,"customerId":"${randCustId()}","transactionDate":null }""")).asJson
 		.check(jsonPath("$.id").saveAs("txnId"))
 		.check(jsonPath("$.transactionDate").saveAs("txtDate"))
 		.check(jsonPath("$.customerId").saveAs("custId")))
-		.pause(1)
 		
 		.exec(http("get_reward")
 		  .get("/rewards/find/${custId}")
-		  .check(jsonPath("$.id").saveAs("rwdId")))
-		.pause(1)
+		  .check(jsonPath("$.id").optional.saveAs("rwdId")))
 		
 		.doIf("${rwdId.isUndefined()}"){
 			exec(http("rewards_add")
@@ -41,7 +39,6 @@ class RewardsScenario extends Simulation {
 		.exec(http("transactions_add")
 		  .post("/transactions/add/")
 		  .body(StringBody("""{ "customerRewardsId":"${rwdId}","customerId":"${custId}","transactionDate":"${txtDate}" }""")).asJson)
-		.pause(1)
 		
 		.exec(http("get_reward")
 		  .get("/transactions/findAll/${rwdId}"))