refactor: e2e infras (#407)

Signed-off-by: bitliu <bitliu@tencent.com>

test/e2e/conformance/tests/httproute-simple-same-namespace.yaml

@@ -0,0 +1,31 @@
+# Copyright (c) 2022 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: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: higress-conformance-infra-test
+  namespace: higress-conformance-infra
+spec:
+  ingressClassName: higress
+  rules:
+  - http:
+      paths:
+      - pathType: Prefix
+        path: "/hello-world"
+        backend:
+          service:
+            name: infra-backend-v1
+            port:
+              number: 8080