Tests p:unarchive: Check content of unarchived document.
Test ab-unarchive-013.xml is expected to pass.
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" name="pipeline" version="3.0">
   <p:output port="result">
   <p:unarchive include-filter="folder/html\.html">
      <p:with-input href="../documents/archive.zip">
   </p:unarchive>
</p:declare-step>
<s:schema xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
   <s:ns prefix="html" uri="http://www.w3.org/1999/xhtml">
   <s:pattern>
      <s:rule context="/">
         <s:assert test="html:html">Root element is not 'html:html'.</s:assert>
         <s:assert test="html:html/html:head/html:title/text()='This is a html page'">HTML title is not 'This is a html page'.</s:assert>
         <s:assert test="html:html/html:body/html:p/text()='This is a html page.'">HTML document does not have an element 'p' with 'This is a html page.'.</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>
Added attribute 'queryBinding' to schematron's schema.
Initial tests for p:unarchive