PASS "toNativeLineEndings" should not be supported
PASS "FileError" should not be supported
PASS "FileException" should not be supported
PASS "FileHandle" should not be supported
PASS "FileRequest" should not be supported
PASS "MutableFile" should not be supported
PASS Blob should not support slice prefixed
PASS BlobBuilder should not be supported.
PASS createFor method should not be supported
PASS Blob.close() should not be supported
PASS File's lastModifiedDate should not be supported
PASS Service worker test setup
PASS "FileReaderSync" should not be supported in service workers