fix: fix path and yaml

Signed-off-by: Wangzy <[email protected]>

Author: Wangzy455

test/e2e/testdata/kthena-router/ModelServer-ds1.5b-pd-disaggragation.yaml

@@ -0,0 +1,21 @@
+apiVersion: networking.serving.volcano.sh/v1alpha1
+kind: ModelServer
+metadata:
+  name: deepseek-r1-1-5b-pd-disaggragation
+  namespace: default
+spec:
+  workloadSelector:
+    matchLabels:
+      app: deepseek-r1-1-5b
+    pdGroup:
+      groupKey: "modelinfer/infergroupname"
+      prefillLabels:
+        modelinfer/rolename: "P-instance"
+      decodeLabels:
+        modelinfer/rolename: "D-instance"
+  workloadPort:
+    port: 8000
+  model: "deepseek-ai/DeepSeek-R1-Distill-Qwen-1.5B"
+  inferenceEngine: "vLLM"
+  trafficPolicy:
+    timeout: 10s