Cannot test function(*) including map and array

[AirQuick]

<?xml version="1.0" encoding="UTF-8"?>
<x:description stylesheet="test.xsl" xmlns:x="http://www.jenitennison.com/xslt/xspec"
	xslt-version="3.0">
	<x:scenario label="Function">
		<x:call function="exactly-one">
			<x:param as="function(*)" select="function-lookup(xs:QName('xs:integer'), 1)" />
		</x:call>
		<x:expect label="Fail deliberately" />
	</x:scenario>
</x:description>

...
Running Tests...
Testing with SAXON EE 9.8.0.14
Function
Error at function test:report-atomic-value on line 355 of generate-tests-utils.xsl:
  FOTY0013: Function items (other than arrays) cannot be atomized
Function items (other than arrays) cannot be atomized

*** Error running the test suite

The same or similar termination happens with derivation: map(*) and array(*)

[AirQuick]

Reopening for XQuery