Disable keycloak helm test until working on rke2

Trying to fix issue with nightly rke2 install keycloak failures

tests/ci/k3d/values.yaml

 hostname: bigbang.dev
 
 flux:
+  timeout: 30m
   interval: 1m
   rollback:
     cleanupOnFail: false
@@ -865,9 +866,8 @@ addons:
   keycloak:
     enabled: false
     ingress:
-      gateway: "public"
+      gateway: "passthrough"
     values:
-      replicas: 1
       resources:
         requests:
           cpu: 10m
@@ -881,7 +881,6 @@ addons:
             cypress_url: "https://keycloak.bigbang.dev"
             cypress_username: "admin"
             cypress_password: "password"
-      # Custom dev secret configuration
       secrets:
         env:
           stringData:
@@ -920,13 +919,3 @@ addons:
           mountPath: /opt/jboss/keycloak/realm.json
           subPath: realm.json
           readOnly: true
-      
-      extraVolumeMountsBigBang:
-        - name: tlscert
-          mountPath: /etc/x509/https/tls.crt
-          subPath: tls.crt
-          readOnly: true
-        - name: tlskey
-          mountPath: /etc/x509/https/tls.key
-          subPath: tls.key
-          readOnly: true