eiru_reports_expenses/views/menus.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <menuitem
            name="Gastos"
            id="expense_parent_menu"
            parent="eiru_reports_sales.eiru_reports_main_menu"
            sequence="4"/>

        <!--
        ===========================
           HISTORICO DE GASTOS
        ===========================
        -->
        <menuitem
            name="Historico de Gastos"
            id="expense_history_menu"
            parent="expense_parent_menu"
            action="expense_action"
            sequence="1"/>

        <!--
        ===========================
           ANALISIS DE GASTOS
        ===========================
        -->
        <menuitem
            name="Análisis de Gastos"
            id="expense_analytic_menu"
            parent="expense_parent_menu"
            action="expense_analytic_action"
            sequence="2"/>

    </data>
</openerp>