Import cleaning

web/src/test/java/org/springframework/security/web/authentication/www/DigestProcessingFilterTests.java

@@ -16,14 +16,12 @@
 package org.springframework.security.web.authentication.www;
 
 import static org.junit.Assert.*;
-import static org.mockito.Mockito.mock;
 
 import java.io.IOException;
 import java.util.Map;
 
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
-import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;