fix test script in ubuntu where bash is not a bash
fix test script in ubuntu where bash is not a bash

duckie/gason,bagobor/gason,ChrisJefferson/gason,duckie/gason,ChrisJefferson/gason,vivkin/gason,tvanderbruggen/gason,tvanderbruggen/gason,ChrisJefferson/gason,vivkin/gason,bagobor/gason