add testing for story model
add testing for story model

SputterPuttRedux/storyvine_clone,pearlshin/StoryVine,SputterPuttRedux/storyvine_clone,pearlshin/StoryVine,mxngyn/StoryVine,mxngyn/StoryVine,mxngyn/StoryVine,pearlshin/StoryVine,SputterPuttRedux/storyvine_clone