adding test for rf change

test/cluster_test.go

@@ -1146,6 +1146,35 @@ func UpdateClusterTest(ctx goctx.Context) {
 											Expect(err).Should(HaveOccurred())
 										},
 									)
+
+									It(
+										"UpdateReplicationFactor: should fail for updating namespace"+
+											"replication-factor on non-SC namespace. Cannot be updated",
+										func() {
+											By("RollingRestart By Adding Namespace Dynamically")
+
+											err := rollingRestartClusterByAddingNamespaceDynamicallyTest(
+												k8sClient, ctx, dynamicNs, clusterNamespacedName,
+											)
+											Expect(err).ToNot(HaveOccurred())
+
+											aeroCluster, err := getCluster(
+												k8sClient, ctx,
+												clusterNamespacedName,
+											)
+											Expect(err).ToNot(HaveOccurred())
+
+											nsList := aeroCluster.Spec.AerospikeConfig.Value["namespaces"].([]interface{})
+											namespaceConfig := nsList[len(nsList)-1].(map[string]interface{})
+											namespaceConfig["replication-factor"] = 3
+											aeroCluster.Spec.AerospikeConfig.Value["namespaces"].([]interface{})[len(nsList)-1] = namespaceConfig
+
+											err = k8sClient.Update(
+												ctx, aeroCluster,
+											)
+											Expect(err).Should(HaveOccurred())
+										},
+									)
 								},
 							)