Tests p:os-info: Result doc has no base-uri.
Test ab-os-info-002.xml is expected to pass.
It requires the following features: os-info.
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
<p:output port="result"/>
<p:os-info/>
<p:identity>
<p:with-input>
<result>{p:document-property(., 'base-uri')}</result>
</p:with-input>
</p:identity>
</p:declare-step>
<s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
<s:pattern>
<s:rule context="/">
<s:assert test="result">The document root is not 'c:result'.</s:assert>
<s:assert test="string-length(result/text()) = 0">The base-uri is not empty.</s:assert>
</s:rule>
</s:pattern>
</s:schema>
Added tests for p:os-exec