Add nf-test to `STARFUSION_BUILD` and refactor module #1507

Job	Run time
24.04.2 \| test_stub \| docker	4m 36s
24.04.2 \| test_build \| docker	7m 23s
latest-stable \| test_stub \| docker	4m 26s
latest-stable \| test_build \| docker	8m 5s
	24m 30s

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