PASS readAsText
PASS readAsDataURL
PASS readAsArrayBuffer
PASS readAsBinaryString
PASS result is null during "loadstart" event for readAsText
PASS result is null during "loadstart" event for readAsDataURL
PASS result is null during "loadstart" event for readAsArrayBuffer
PASS result is null during "loadstart" event for readAsBinaryString
PASS result is null during "progress" event for readAsText
PASS result is null during "progress" event for readAsDataURL
PASS result is null during "progress" event for readAsArrayBuffer
PASS result is null during "progress" event for readAsBinaryString