[usvstring-reflection.html]
[anchor : unpaired surrogate codepoint should be replaced with U+FFFD]
expected: FAIL
[area : unpaired surrogate codepoint should be replaced with U+FFFD]
expected: FAIL
[source : unpaired surrogate codepoint should be replaced with U+FFFD]
expected: FAIL
[storage event : unpaired surrogate codepoint should be replaced with U+FFFD]
expected: FAIL