contextDecl-058 has the dependency XQ30+ but I think it should be XQ31+.  Normally I would fix this without a bug but the modified comment indicates this was intended:

 "applies to XQ30+, not just XQ31"

The test uses arrays.

<test-case name="contextDecl-058" xmlns="http://www.w3.org/2010/09/qt-fots-catalog">
    <description>Two modules constrain the context item type, and the types overlap</description>
    <created by="Michael Kay" on="2016-12-31"/>
    <modified by="Michael Kay" on="2017-03-20" change="applies to XQ30+, not just XQ31"/>
    <environment>
      <context-item select="[&apos;blue&apos;, &apos;green&apos;]"/>
    </environment>
    <dependency type="spec" value="XQ30+"/>
    <module uri="http://www.w3.org/TestModules/libmodule5" file="ContextItemDecl/libmodule-5.xq"/>
    <test><![CDATA[
      import module namespace m="http://www.w3.org/TestModules/libmodule5";
      declare context item as array(xs:string) external;
      $m:v eq 'green'
    ]]></test>
    <result>
      <assert-true/>
    </result>
  </test-case>