Problema ao executar o JUnit

<?xml version="1.0" encoding="ISO-8859-1"?>

<!--
    Document   : Spring.xml
    Created on : 18 de Outubro de 2008, 08:09
    Author     : Shubacca
    Description:
        Purpose of the document follows.
-->

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
		  "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
  <bean name="hibernate" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" scope="singleton">
    <property name="hibernateProperties">
      <props>
        <prop key="hibernate.dialect">org.hibernate.dialect.FirebirdDialect</prop>
        <prop key="hibernate.connection.driver_class">org.firebirdsql.jdbg.FBDriver</prop>
        <prop key="hibernate.connection.username">sysdba</prop>
        <prop key="hibernate.connection.password">masterkey</prop>
        <prop key="hibernate.connection.url">jdbc:firebirdsql:localhost/3050:devmedia</prop>
        
        <prop key="c3p0.acquire_increment">1</prop>
        <prop key="c3p0.idle_test_period">120</prop>
        <prop key="c3p0.max_size">50</prop>
        <prop key="c3p0.max_statements">100</prop>
        <prop key="c3p0.min_size">5</prop>
        <prop key="c3p0.timeout">150</prop>
      </props>
    </property>
    
    <!--
    <property name="mappingResources">
      
    </property>
    -->
  </bean>
</beans>

package devmedia.srs;

import org.hibernate.SessionFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * 
 * @author Shubacca
 * @date 18/10/2008
 */
public class SpringAccess {
  private static ApplicationContext springContext;
  
  public static synchronized ApplicationContext getSpringContext(){
    if (springContext == null)
      springContext = new ClassPathXmlApplicationContext("devmedia/src/resource/Spring.xml");
    
    return springContext;
  }
  
  public static synchronized SessionFactory getSessionFactory(){
    return (SessionFactory) getSpringContext().getBean("hibernate");
  }

  public SpringAccess() {
  }
  
  public static void main(String[] args) {
    SessionFactory sf = getSessionFactory();
    
    if (sf == null)
      System.out.println("Erro");
    else
      System.out.println("OK");
  }
}

package devmedia.srs.test;

/**
 * 
 * @author Shubacca
 * @date 18/10/2008
 */
public class Person {
  private String nome;
  private String city;
  private int age;

  public Person() {
  }

  public Person(String nome, String city, int age) {
    this.nome = nome;
    this.city = city;
    this.age = age;
  }

  public int getAge() {
    return age;
  }

  public void setAge(int age) {
    this.age = age;
  }

  public String getCity() {
    return city;
  }

  public void setCity(String city) {
    this.city = city;
  }

  public String getNome() {
    return nome;
  }

  public void setNome(String nome) {
    this.nome = nome;
  } 
  
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package devmedia.srs;

import devmedia.srs.test.Person;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.junit.Assert.*;

/**
 *
 * @author Shubacca
 */
public class SpringAccessTest {

  public SpringAccessTest() {
  }

  @BeforeClass
  public static void setUpClass() throws Exception {
  }

  @AfterClass
  public static void tearDownClass() throws Exception {
  }

  @Before
  public void setUp() {
  }

  @After
  public void tearDown() {
  }

  /**
   * Test of getSpringContext method, of class SpringAccess.
   */
  @Test
  public void testGetSpringContext() {
    System.out.println("getSpringContext");

    assertNotNull(SpringAccess.getSpringContext());

    Person person1 = (Person) SpringAccess.getSpringContext().getBean("person1");

    assertEquals(person1.getNome(), "Henrique");
    assertEquals(person1.getCity(), "Belo Horizonte");
    assertTrue(person1.getAge() == 28);
  }

  @Test
  public void testGetHibernate() {
    System.out.println("getHibernate");
    assertNotNull(SpringAccess.getSessionFactory());
  }
}