Merge pull request #228 from bmhm/SHIRO-770-base64

[SHIRO-770] Fix test regression introduced by SHIRO-770.
diff --git a/web/src/test/java/org/apache/shiro/web/mgt/CookieRememberMeManagerTest.java b/web/src/test/java/org/apache/shiro/web/mgt/CookieRememberMeManagerTest.java
index 3b0cd21..9fef4c4 100644
--- a/web/src/test/java/org/apache/shiro/web/mgt/CookieRememberMeManagerTest.java
+++ b/web/src/test/java/org/apache/shiro/web/mgt/CookieRememberMeManagerTest.java
@@ -211,12 +211,8 @@
         replay(mockRequest);
 
         CookieRememberMeManager mgr = new CookieRememberMeManager();
-        try {
-            mgr.getRememberedPrincipals(context);
-        } catch (IllegalArgumentException expected) {
-            return;
-        }
-        fail("CryptoException was expected to be thrown");
+        final PrincipalCollection rememberedPrincipals = mgr.getRememberedPrincipals(context);
+        assertNull("rememberedPrincipals should be null on invalid cookies.", rememberedPrincipals);
     }
 
     @Test