add tests for model-based reconstruction (thx Xiaoqing Wang)
add tests for model-based reconstruction (thx Xiaoqing Wang)

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