private String getOddGroupsClusterXml() {
        return joinLines("  <group>",
                "    <distribution partitions='2|*'/>",
                "    <group distribution-key='0' name='group0'>",
                "      <node distribution-key='0' hostalias='mockhost'/>",
                "    </group>",
                "    <group distribution-key='1' name='group1'>",
                "      <node distribution-key='1' hostalias='mockhost'/>",
                "      <node distribution-key='2' hostalias='mockhost'/>",
                "    </group>",
                "  </group>", "");
    }
Unit tests for hierarchic distribution in an indexed content cluster.

@author geirst
config-model/src/test/java/com/yahoo/vespa/model/content/IndexedHierarchicDistributionTest.java