Increase reliable streaming test timeouts from 30s to 60s

The LLM call through Azure OpenAI + Redis streaming pipeline can exceed
30s in CI due to cold starts or throttling. Raise to 60s to reduce
flaky timeouts while still bounded by pytest's 120s per-test limit.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

python/packages/azurefunctions/tests/integration_tests/test_03_reliable_streaming.py

@@ -55,12 +55,11 @@ class TestSampleReliableStreaming:
         # Wait a moment for the agent to start writing to Redis
         time.sleep(2)
 
-        # Stream response from Redis with shorter timeout
-        # Note: We use text/plain to avoid SSE parsing complexity
+        # Stream response from Redis with longer timeout to account for LLM latency
         stream_response = requests.get(
             f"{self.stream_url}/{thread_id}",
             headers={"Accept": "text/plain"},
-            timeout=30,  # Shorter timeout for test
+            timeout=60,
         )
         assert stream_response.status_code == 200
 
@@ -82,7 +81,7 @@ class TestSampleReliableStreaming:
         stream_response = requests.get(
             f"{self.stream_url}/{thread_id}",
             headers={"Accept": "text/event-stream"},
-            timeout=30,  # Shorter timeout
+            timeout=60,
         )
         assert stream_response.status_code == 200
         content_type = stream_response.headers.get("content-type", "")