Define containers once
Create new instance for each test
Linting
Linting
Add assertion, update stub
Use expecteds
Move expecteds up in scope
Use triggerEvent helper
Clean up helpers and add docblocks
Add tests for DragSensor
Fix lint errors
Move expected clientX and clientY into vars for better visibility
Move expected clientX and clientY into vars for better visibility
Simplify comment
Remove unnecessary async callback
Remove unnecessary async callback
Remove unnecessary async callback
Don't mock clearTimeout
Rename test labels to match new method names