have filter only apply to the servlet

Author: davenice

mockito-testing-containers-sample/src/main/java/sample/CurrencyFilter.java

@@ -19,7 +19,7 @@
 /*
  * This servlet filter runs before the main servlet and sets up some sample data - an account balance and a conversion rate.
  */
-@WebFilter("/*")
+@WebFilter("/CurrencyServlet")
 public class CurrencyFilter implements Filter {
 
 	@Override