Schedule event handler to queue from internal

Signed-off-by: Chenxiong Qi <cqi@redhat.com>

conf/config.py

@@ -115,6 +115,9 @@ class TestConfiguration(BaseConfiguration):
 
     STREAM_SUFFIXES = {r"^el\d+\.\d+\.\d+\.z$": 0.1}
 
+    # Ensures task.delay executes locally instead of scheduling a task to a queue.
+    CELERY_TASK_ALWAYS_EAGER = True
+
 
 class ProdConfiguration(BaseConfiguration):
     pass

module_build_service/scheduler/events.py

@@ -44,7 +44,7 @@ class Scheduler(sched.scheduler):
         """
         Schedule execution of `handler` with `arguments`.
         """
-        self.enter(0, 0, handler, arguments)
+        self.enter(0, 0, handler.delay, arguments)
 
     def run(self):
         """