Fix/flux events #1081

Job	Run time
test-getting_started / tests	25s
test-tutorials (configuration.ipynb) / tests	29s
test-tutorials (debugging.ipynb) / tests	35s
test-tutorials (describing_tasks.ipynb) / tests	25s
test-tutorials (multiple_pilots.ipynb) / tests	26s
test-tutorials (profiling.ipynb) / tests	24s
test-tutorials (raptor.ipynb) / tests	24s
test-tutorials (raptor_mpi.ipynb) / tests	26s
test-tutorials (staging_data.ipynb) / tests	28s
test-tutorials (submission.ipynb) / tests	24s
	4m 26s

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