groovy/modules/grails/test/persistence/org/codehaus/groovy/grails/orm/hibernate/grails-hibernate-configuration-tests.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
	    <property name="driverClassName">
	        <value>org.hsqldb.jdbcDriver</value>
	    </property>
	    <property name="url">
	        <value>jdbc:hsqldb:mem:grailsDB</value>
	    </property>
	    <property name="username">
	        <value>sa</value>
	    </property>
	    <property name="password">
	        <value></value>
	    </property>					
	</bean>
</beans>