Harness Error (FAIL), message = ReferenceError: Can't find variable: document

PASS File interface object exists
PASS Required arguments
PASS empty fileBits
PASS DOMString fileBits
PASS Unicode DOMString fileBits
PASS String object fileBits
PASS Empty Blob fileBits
PASS Blob fileBits
PASS Empty File fileBits
PASS File fileBits
PASS ArrayBuffer fileBits
PASS Typed array fileBits
PASS Various fileBits
PASS Number in fileBits
PASS Array in fileBits
PASS Object in fileBits