mvc-test-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns="http://www.springframework.org/schema/beans"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd">


    <bean class="org.mockito.Mockito" factory-method="mock">
        <constructor-arg value="org.springframework.samples.petclinic.service.ClinicService"/>
    </bean>

</beans>