Ensure tasks are started when running tests
Ensure tasks are started when running tests

This is needed on Windows since no process is actually running until
`Start()` is called, meaning no other operation by `Delete()` would
succeed.

Signed-off-by: Kenfe-Mickael Laventure <10e26728841e39109c2809b6029d4b0763bd81d3@gmail.com>

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