Update testem.json to work with switch to ember-cli
Update testem.json to work with switch to ember-cli

kublaj/htmlbars,lbdm44/glimmer-vm,Kuzirashi/htmlbars,rodrigo-morais/htmlbars,glimmerjs/glimmer-vm,chadhietala/glimmer,lbdm44/glimmer-vm,SerkanSipahi/htmlbars,step2yeung/htmlbars,salzhrani/htmlbars,jayphelps/htmlbars,cgvarela/htmlbars,code0100fun/htmlbars,Kuzirashi/htmlbars,chancancode/htmlbars,greyhwndz/htmlbars,chadhietala/glimmer,code0100fun/htmlbars,step2yeung/htmlbars,kublaj/htmlbars,glimmerjs/glimmer-vm,simudream/htmlbars,rodrigo-morais/htmlbars,cgvarela/htmlbars,mixonic/htmlbars,tildeio/glimmer,xcskier56/htmlbars,greyhwndz/htmlbars,lbdm44/glimmer-vm,tildeio/htmlbars,GavinJoyce/htmlbars,duggiefresh/htmlbars,vinngn1/htmlbars,GavinJoyce/htmlbars,jayphelps/htmlbars,chadhietala/glimmer,simudream/htmlbars,tildeio/glimmer,tildeio/htmlbars,chancancode/htmlbars,davidgoli/htmlbars,stefanpenner/htmlbars,tildeio/glimmer,SerkanSipahi/htmlbars,davidgoli/htmlbars,duggiefresh/htmlbars,stefanpenner/htmlbars,mixonic/htmlbars,glimmerjs/glimmer-vm,chadhietala/glimmer,salzhrani/htmlbars,xcskier56/htmlbars,vinngn1/htmlbars