tests/yanglint/data/modconfig_ctx.xml

<yang-library xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-library">
  <module-set>
    <name>main-set</name>
    <module>
      <name>modconfig</name>
      <namespace>urn:yanglint:modconfig</namespace>
    </module>
  </module-set>
  <content-id>1</content-id>
</yang-library>
<modules-state xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-library">
  <module-set-id>1</module-set-id>
</modules-state>