diff --git a/packages/llm/llm-pi-ai/tests/adapter.spec.ts b/packages/llm/llm-pi-ai/tests/adapter.spec.ts
index e99a753a6c..ba7bac9085 100644
--- a/packages/llm/llm-pi-ai/tests/adapter.spec.ts
+++ b/packages/llm/llm-pi-ai/tests/adapter.spec.ts
@@ -911,12 +911,15 @@ describe('provider profile lifecycle', () => {
 
     await expect(drain({
       provider: 'deepseek',
-      model: 'deepseek-flash',
+      model: 'deepseek-v4-pro',
       messages: [createUserMessage({
         content: [{ type: 'image', attachment: IMAGE_REF }],
         source: { kind: 'model', provider: 'deepseek-official', model: 'deepseek-v4-flash' },
       })],
-    })).rejects.toMatchObject({ code: 'UNSUPPORTED_CONTENT' })
+    })).rejects.toMatchObject({
+      code: 'UNSUPPORTED_CONTENT',
+      message: 'pi-ai model "deepseek-v4-pro" does not support image input',
+    })
     await expect(drain({
       provider: 'openai',
       model: 'gpt-4.1',