This tests the basic functionality and properties of DataTransferItems for string data with drag and drop. This test requires DRT.
Lorem ipsum 
Drop text here if you test this manually
Dragging text in source1: Lorem ipsum
Verifying contents of DataTransferItems...
items.length: 1
items[0].kind: string
items[0].type: text/plain
PASS: "Lorem ipsum" == "Lorem ipsum"
Dragging text in source2: http://example.com
Verifying contents of DataTransferItems...
items.length: 1
items[0].kind: string
items[0].type: text/plain
PASS: "http://example.com" == "http://example.com"