| This tests that the XMLHttpRequest responseType attribute is modifiable in the HEADERS_RECEIVED state. |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| xhr.responseType = 'document'; |
| PASS xhr.responseType = 'text'; threw exception InvalidStateError: Failed to set the 'responseType' property on 'XMLHttpRequest': the response type cannot be set if the object's state is LOADING or DONE.. |
| PASS xhr.responseType = 'text'; threw exception InvalidStateError: Failed to set the 'responseType' property on 'XMLHttpRequest': the response type cannot be set if the object's state is LOADING or DONE.. |
| PASS xhr.response === xhr.responseXML is true |
| PASS xhr.responseType is "document" |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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