merging tests
merging tests

ipashchenko/emcee-x,linan7788626/emcee,farr/emcee,elkingtonmcb/emcee,willvousden/emcee,joezuntz/emcee,johnbachman/emcee,willvousden/emcee,ga7g08/emcee,dfm/emcee,dfm/emcee3,drphilmarshall/emcee,johnbachman/emcee,ipashchenko/emcee,dfm/emcee,jellis18/emcee3,pkgw/emcee