Fix edge3 TestQueueWorkload tests missing required session argument in main

[anishgirianish]

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queue_workload() requires a session (the scheduler always passes one), but the tests called it without, failing on the all-provider CI jobs. Pass session via create_session() to match production

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[jscheffl]

Interesting... interesting (scratching my head...) how come that the PR in #67812 did not spot the error?!?

THANKS for the fix, merging as soon as CI turns green...