Enabled a test for NullPredicate

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1540862 13f79535-47bb-0310-9956-ffa450edef68

src/test/java/org/apache/commons/collections4/functors/NullPredicateTest.java

@@ -29,6 +29,7 @@ public class NullPredicateTest extends AbstractPredicateTest {
         assertTrue(nullPredicate(), null);
     }
 
+    @Test
     public void ensurePredicateCanBeTypedWithoutWarning() throws Exception {
         final Predicate<String> predicate = NullPredicate.nullPredicate();
         assertFalse(predicate, cString);