In XSD 1.1 unrecognized block names aren't errors anymore:

"Any string of hyphens, digits, and Basic Latin characters beginning with 'Is' will match the non-terminal IsBlock and thus be allowed in a regular expression. Most of these strings, however, will not denote any Unicode block. Processors should issue a warning if they encounter a regular expression using a block name they do not recognize. Processors may at user option treat unrecognized block names as errors in the schema."

So test reK88 (which tests pattern "\p{IsaA0-a9}") should have different expected result for XSD 1.1 and 1.0.