Add nf-test for `fusionreport_workflow` subworkflow #1570

Job	Run time
24.04.2 \| test_stub \| docker	10m 32s
24.04.2 \| test_build \| docker	33m 55s
latest-stable \| test_stub \| docker	10m 7s
latest-stable \| test_build \| docker	33m 21s
	1h 27m 55s

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