Fix unit test test_profiler_runner that was failing sometimes.

Author: mirelap-amazon

test/unit/test_profiler_runner.py

@@ -3,6 +3,7 @@
 from test.pytestutils import before
 from test.help_utils import wait_for
 from mock import MagicMock
+from time import sleep
 
 from codeguru_profiler_agent.profiler_runner import ProfilerRunner
 from codeguru_profiler_agent.profiler_disabler import ProfilerDisabler
@@ -87,6 +88,9 @@ def test_when_orchestrator_says_no_to_profiler(self):
         self.profiler_runner.start()
         # still it is safer to wait until the new config has been applied
         wait_for(lambda: AgentConfiguration.get().reporting_interval.total_seconds() == 151)
+        # sometimes it takes a few milliseconds for the scheduler to be updated with the AgentConfiguration,
+        # so let's sleep for 100 ms
+        sleep(0.1)
 
         assert self.profiler_runner.scheduler._get_next_delay_seconds() == 151
         self.mock_collector.add.assert_not_called()