asterix-external-data/src/main/assembly/binary-assembly-libjar.xml

<assembly>
  <id>binary-assembly</id>
  <formats>
    <format>jar</format>
  </formats>
  <includeBaseDirectory>false</includeBaseDirectory>
  <fileSets>
    <fileSet>
      <directory>target/test-classes</directory>
      <outputDirectory></outputDirectory>
      <includes>
        <include>**</include>
      </includes>
      <excludes>
        <exclude>**.xml</exclude>
      </excludes>
    </fileSet>
  </fileSets>
</assembly>