Tests @override-content-types is correctly implemented.
Test ab-override-content-types-004.xml is expected to fail with error code err:XC0146.
<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" name="pipeline" version="3.0">
   <p:output port="result">
   <p:archive-manifest override-content-types="[['string', 'string', 'string']]">
      <p:with-input href="../documents/archive.zip">
   </p:archive-manifest>
</p:declare-step>
Initial tests for override-content-types