Tests error is raised for unknown format.
Test ab-compress-004.xml is expected to fail with error code err:XC0202
.
<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
<p:output port="result"/>
<p:compress format="i-am-unknown">
<p:with-input>
<doc/>
</p:with-input>
</p:compress>
</p:declare-step>
Initial tests for p:compress/p:uncompress