Stabilize scheduled entity E2E timing

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

Copilot-Session: b872ac61-5bac-40e3-b9c7-daf295725fde

Author: andystaples

tests/azure-functions-durable/e2e/apps/dtask_style/host.json

@@ -12,8 +12,7 @@
   "extensions": {
     "durableTask": {
       "storageProvider": {
-        "type": "AzureStorage",
-        "maxQueuePollingInterval": "00:00:01"
+        "type": "AzureStorage"
       }
     }
   }

tests/azure-functions-durable/e2e/apps/dtask_style/orchestrators.py

@@ -193,7 +193,9 @@ def signal_counter_delayed(ctx: task.OrchestrationContext, key: Any):
     # Schedules a delayed (future) signal to the counter entity, then completes
     # immediately. The signal should only be delivered after the delay elapses.
     entity_id = entities.EntityInstanceId("counter", key)
-    signal_at = ctx.current_utc_datetime + timedelta(seconds=3)
+    # Azure Queue visibility delays have one-second precision. The fractional
+    # offset keeps normal dispatch within Core's 100 ms early-delivery window.
+    signal_at = ctx.current_utc_datetime + timedelta(seconds=3.1)
     ctx.signal_entity(entity_id, "add", 4, signal_time=signal_at)
     return key
 

tests/azure-functions-durable/e2e/test_dtask_entities_advanced_e2e.py

@@ -82,8 +82,9 @@ def test_call_failing_entity_handled(dtask_app):
 
 def test_client_delayed_signal_is_deferred(dtask_app):
     key = f"client-delay-{int(time.time() * 1000)}"
-    # Schedule the signal ~3s in the future.
-    dtask_app.signal_entity("counter", key, "add", input=9, delay_seconds=3)
+    # The fractional offset accounts for Azure Queue's one-second visibility
+    # precision and keeps dispatch within Core's 100 ms early-delivery window.
+    dtask_app.signal_entity("counter", key, "add", input=9, delay_seconds=3.1)
 
     # It must not be delivered immediately.
     time.sleep(1)