Tests p:store: It is a dynamic error, if the step cannot store to the specified position.
Test ab-store-001.xml is expected to fail with error code err:XD0064 [XProc, Core steps].
<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:store href="%gg">
      <p:with-input>
         <doc/>
      </p:with-input>
   </p:store>
</p:declare-step>
Fixed expected error code.
New tests for p:store