[stream-append-html-unsafe.html]
[piping a response into streamAppendHTMLUnsafe()]
expected: FAIL
[writing a string to streamAppendHTMLUnsafe()]
expected: FAIL
[streamAppendHTMLUnsafe() does not buffer until close()]
expected: FAIL
[writing a Symbol to streamAppendHTMLUnsafe()]
expected: FAIL
[writing numbers to streamAppendHTMLUnsafe()]
expected: FAIL
[writing null or undefined to streamAppendHTMLUnsafe()]
expected: FAIL
[streamAppendHTMLUnsafe() can stream into