Fix test with new Callback name
Fix test with new Callback name

devcollectief/cal-heatmap,DreamlineStudios/cal-heatmap,aslubsky/cal-heatmap,CapeSepias/cal-heatmap,DreamlineStudios/cal-heatmap,kamisama/cal-heatmap,kamisama/cal-heatmap,CapeSepias/cal-heatmap,kbullaughey/cal-heatmap,aslubsky/cal-heatmap,wa0x6e/cal-heatmap,merbla/cal-heatmap,merbla/cal-heatmap,devcollectief/cal-heatmap,kbullaughey/cal-heatmap