Mocking MVC and making a get always return 404, what could be wrong?

I found some similar problems but in this case I think my application context is very different.

So, I am trying to make an application context just for testing purposes.

What I basically have is this.

@WebAppConfiguration
@SuppressWarnings("UnusedDeclaration")
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(
   {
      "classpath:applicationContext-web-test.xml",
      "classpath:applicationContext-security-test.xml"
    }
)

public class URLTesting {

    @Autowired
    private WebApplicationContext webApplicationContext;

    @SuppressWarnings("SpringJavaAutowiringInspection")
    @Autowired
    protected FilterChainProxy springSecurityFilterChain;

    private MockMvc mockMvc;

    @Test
    public void testFindTransfer() throws Exception {
        //I couldnt do this on a @Before, I was reading is not supported yet and throws a NPE
        mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext)
                .addFilter(springSecurityFilterChain)
                .build();

        mockMvc.perform(get("/"))
                .andExpect(status().isOk());

    }
}

At the moment I get as return a 404 instead a 200.

My applicationContext-security-test.xml has the following:

    <?xml version="1.0" encoding="UTF-8"?>
    <beans:beans xmlns="http://ift.tt/1c8inpe"
    xmlns:beans="http://ift.tt/GArMu6"
    xmlns:xsi="http://ift.tt/ra1lAU"
    xsi:schemaLocation="http://ift.tt/GArMu6 http://ift.tt/1cnl1uo
            http://ift.tt/1c8inpe http://ift.tt/1epvZ6L">
    <!-- HTTP security configurations -->
    <http auto-config="true" use-expressions="true" >
        <logout logout-url="/resources/j_spring_security_logout"/>

        <intercept-url pattern="/" access="permitAll"/>
        <intercept-url pattern="/home" access="permitAll"/>
        <intercept-url pattern="/url-to-test/**" access="permitAll"/>
        <intercept-url pattern="/**" access="permitAll"/>
    </http>

  </beans:beans>

My web-test.xml

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

<beans xmlns="http://ift.tt/GArMu6" xmlns:xsi="http://ift.tt/ra1lAU"
        xsi:schemaLocation="http://ift.tt/GArMu6 http://ift.tt/18sW2ax">

    <bean id="springSecurityFilterChain"
            class="org.springframework.security.web.FilterChainProxy">
    </bean>

    <bean id="webApplicationContext"
        class="org.springframework.web.context.ContextLoaderListener">

    </bean>


</beans>

But no success so far, any idea what could be wrong?

Thanks.