test: change ubuntu_calico_rbac to ubuntu_flannel_rbac

.gitlab-ci.yml

@@ -375,10 +375,10 @@ before_script:
   CLUSTER_MODE: separate
   STARTUP_SCRIPT: ""
 
-.ubuntu_calico_rbac_variables: &ubuntu_calico_rbac_variables
+.ubuntu_flannel_rbac_variables: &ubuntu_flannel_rbac_variables
 # stage: deploy-gce-special
   AUTHORIZATION_MODES: "{ 'authorization_modes':  [ 'RBAC' ] }"
-  KUBE_NETWORK_PLUGIN: calico
+  KUBE_NETWORK_PLUGIN: flannel
   CLOUD_IMAGE: ubuntu-1604-xenial
   CLOUD_REGION: europe-west1-b
   CLUSTER_MODE: separate
@@ -609,13 +609,13 @@ ubuntu-vault-sep:
   except: ['triggers']
   only: ['master', /^pr-.*$/]
 
-ubuntu-calico-rbac-sep:
+ubuntu-flannel-rbac-sep:
   stage: deploy-gce-special
   <<: *job
   <<: *gce
   variables:
     <<: *gce_variables
-    <<: *ubuntu_calico_rbac_variables
+    <<: *ubuntu_flannel_rbac_variables
   when: manual
   except: ['triggers']
   only: ['master', /^pr-.*$/]