intellij-plugin/Edu-Kotlin/testResources/META-INF/plugin.xml

<idea-plugin xmlns:xi="http://www.w3.org/2001/XInclude">
  <id>com.jetbrains.edu.kotlin</id>
  <xi:include href="/META-INF/educational-core.xml" xpointer="xpointer(/idea-plugin/*)"/>

  <content>
    <module name="jvm-core"/>
    <module name="Edu-Kotlin"/>
  </content>
</idea-plugin>