fix prerequesites for some test cases
fix prerequesites for some test cases

mrirecon/bart,mrirecon/bart,sdimoudi/bart,sdimoudi/bart,sdimoudi/bart,sidward/bart,sdimoudi/bart,sidward/bart,mrirecon/bart,mrirecon/bart,sidward/bart,sidward/bart,mrirecon/bart,sidward/bart,sdimoudi/bart