You should repeat yourself in your tests. See DAMP vs DRY [1]. Also that repetition is valuable feedback that you may have a design problem, that something abou

You should repeat yourself in your tests. See DAMP vs DRY [1]. Also that repetition is valuable feedback that you may have a design problem, that something about your object hierarchy is overly-complex, for example. If you hide it, you're just sweeping the problem under the rug. [1] http://stackoverflow.com/a/11837973 http://stackoverflow.com/a/11837973