[CI] Re-use whisper_client for all tests (#30148)

Signed-off-by: NickLucche <nlucches@redhat.com>

tests/entrypoints/openai/test_transcription_validation_whisper.py

@@ -32,24 +32,20 @@ async def whisper_client(server):
 
 
 @pytest.mark.asyncio
-async def test_basic_audio(mary_had_lamb):
-    server_args = ["--enforce-eager"]
-
+async def test_basic_audio(whisper_client, mary_had_lamb):
     # Based on https://github.com/openai/openai-cookbook/blob/main/examples/Whisper_prompting_guide.ipynb.
-    with RemoteOpenAIServer(MODEL_NAME, server_args) as remote_server:
-        client = remote_server.get_async_client()
-        transcription = await client.audio.transcriptions.create(
-            model=MODEL_NAME,
-            file=mary_had_lamb,
-            language="en",
-            response_format="text",
-            temperature=0.0,
-        )
-        out = json.loads(transcription)
-        out_text = out["text"]
-        out_usage = out["usage"]
-        assert "Mary had a little lamb," in out_text
-        assert out_usage["seconds"] == 16, out_usage["seconds"]
+    transcription = await whisper_client.audio.transcriptions.create(
+        model=MODEL_NAME,
+        file=mary_had_lamb,
+        language="en",
+        response_format="text",
+        temperature=0.0,
+    )
+    out = json.loads(transcription)
+    out_text = out["text"]
+    out_usage = out["usage"]
+    assert "Mary had a little lamb," in out_text
+    assert out_usage["seconds"] == 16, out_usage["seconds"]
 
 
 @pytest.mark.asyncio