update e2e tests

Signed-off-by: Huabing (Robin) Zhao <zhaohuabing@gmail.com>

Author: zhaohuabing

test/e2e/testdata/ext-auth-grpc-securitypolicy.yaml

@@ -54,6 +54,11 @@ spec:
       - name: grpc-ext-auth
         namespace: gateway-conformance-infra
         port: 9002
+      backendSettings:
+        loadBalancer:
+          type: ConsistentHash
+          consistentHash:
+            type: SourceIP
 ---
 apiVersion: gateway.networking.k8s.io/v1
 kind: BackendTLSPolicy

test/e2e/testdata/ext-auth-service.yaml

@@ -56,7 +56,7 @@ metadata:
   name: envoy-ext-auth
   namespace: gateway-conformance-infra
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: envoy-ext-auth