EDIT

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

  xmlns:context="http://www.springframework.org/schema/context"

  xmlns:tx="http://www.springframework.org/schema/tx"

    xsi:schemaLocation="http://www.springframework.org/schema/beans

    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd

    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd

    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd

    ">

   <context:property-override location="classpath:override.properties"/>

   <context:component-scan base-package="eu/etaxonomy/cdm/api/service"/>

 <!--    <context:component-scan base-package="eu/etaxonomy/cdm/api/validation">

    </context:component-scan>

    --> 

    <bean id="dataSource" class="org.unitils.database.UnitilsDataSourceFactoryBean"/>

    <import resource="classpath:/eu/etaxonomy/cdm/applicationContext-test.common.xml" />

    <import resource="classpath:/eu/etaxonomy/cdm/persistence.xml" />

    <import resource="classpath:/eu/etaxonomy/cdm/services_base_test.xml"/>

    <!-- security  -->

    <bean id="passwordEncoder" class="org.springframework.security.authentication.encoding.Md5PasswordEncoder"/>

    <bean id="saltSource" class="org.springframework.security.authentication.dao.ReflectionSaltSource">

        <property name="userPropertyToUse" value="getUsername"/>

    </bean>

    <bean id="daoAuthenticationProvider" class="org.springframework.security.authentication.dao.DaoAuthenticationProvider">

        <property name="userDetailsService" ref="userService"/>

        <property name="saltSource" ref="saltSource"/>

        <property name="passwordEncoder" ref="passwordEncoder"/>

    </bean>

    <bean id="authenticationManager" class="org.springframework.security.authentication.ProviderManager">

        <constructor-arg>

            <list>

                <bean class="org.springframework.security.authentication.TestingAuthenticationProvider"/>

                <ref bean="daoAuthenticationProvider"/>

            </list>

        </constructor-arg>

    </bean>

</beans>