e2e: Enhance the e2e testing of the ai-proxy plugin based on the LLM mock server (#1713)

test/e2e/conformance/base/llm-mock.yaml

@@ -0,0 +1,46 @@
+# Copyright (c) 2025 Alibaba Group Holding Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: higress-conformance-ai-backend
+  labels:
+    higress-conformance: infra
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: llm-mock
+  namespace: higress-conformance-ai-backend
+  labels:
+    name: llm-mock
+spec:
+  containers:
+    - name: llm-mock
+      image: registry.cn-hangzhou.aliyuncs.com/hxt/llm-mock:latest
+      ports:
+        - containerPort: 3000
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: llm-mock-service
+  namespace: higress-conformance-ai-backend
+spec:
+  selector:
+    name: llm-mock
+  clusterIP: None
+  ports:
+    - port: 3000