Change the frirewall name to avoid character limit

Author: jpalagir

e2e/test/lb-created-with-reserved-ip-linode-range/chainsaw-test.yaml

@@ -9,7 +9,7 @@ metadata:
 spec:
   bindings:
     - name: fwname
-      value: (join('-', [ env('CLUSTER_NAME'), 'fwtest-li']))
+      value: (join('-', [ 'fwtest-linode', env($RANDOM)]))
   namespace: "lb-created-with-reserved-ip-linode-range"
   steps:
     - name: create reserved ip and nodebalancer resources
@@ -176,4 +176,4 @@ spec:
               (contains($stdout, 'Unable to delete the configmap')): false
               (contains($stdout, 'Unable to delete reserved ip')): false
               (contains($stdout, 'Request failed with response code')): false
-              
+