Tests correct behavior of event.dataTransfer.setData with wrong number of arguments

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS event.dataTransfer.setData() threw exception TypeError: Not enough arguments.
PASS event.dataTransfer.setData("Text") threw exception TypeError: Not enough arguments.
PASS successfullyParsed is true

TEST COMPLETE
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