Tests that err:XS0030 is raised when two input ports are declared as primary.
Test ab-input-008.xml is expected to fail with error code err:XS0030.
<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
   <p:input port="source" primary="true">
   <p:input port="alternate" primary="true">
   <p:output port="result">
   <p:identity>
      <p:with-input port="source">
         <doc/>
      </p:with-input>
   </p:identity>
</p:declare-step>
Fixed error code.
New tests. Some tests changed to new order in p:pipe