Tests that imported steps with @visibility='private' are not visible to importer.
Test ab-library-010.xml is expected to fail with error code err:XS0044
.
<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" xmlns:x="http://test" version="3.0">
<p:import href="../pipelines/ab-library-009.xpl"/>
<p:output port="result"/>
<x:step1/>
</p:declare-step>
Added new tests for p:declare-step and p:import.