ansible/test/integration/targets/setup_rpm_repo/files/comps.xml

<!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
<comps>
  <group>
    <id>customgroup</id>
    <name>Custom Group</name>
    <description></description>
    <default>false</default>
    <uservisible>true</uservisible>
    <display_order>1024</display_order>
    <packagelist>
      <packagereq type="mandatory">foo</packagereq>
    </packagelist>
  </group>

  <group>
    <id>customenvgroup</id>
    <name>Custom Environment Group</name>
    <description></description>
    <default>false</default>
    <uservisible>false</uservisible>
    <display_order>1024</display_order>
    <packagelist>
      <packagereq type="mandatory">bar</packagereq>
    </packagelist>
  </group>

  <environment>
    <id>customenvgroup-environment</id>
    <name>Custom Environment Group</name>
    <description></description>
    <display_order>1024</display_order>
    <grouplist>
      <groupid>customenvgroup</groupid>
    </grouplist>
  </environment>
</comps>