mP1/walkingkooka#2718 CanBeEmpty#isNotEmpty

- mP1/walkingkooka#2718
- CanBeEmpty#isNotEmpty

src/test/java/walkingkooka/tree/search/SearchNodeTestCase.java

@@ -216,7 +216,9 @@ public final String isMethodTypeNameSuffix() {
 
     @Override
     public final Predicate<String> isMethodIgnoreMethodFilter() {
-        return (m) -> m.equals("isRoot") || m.equals("isEmpty");
+        return (m) -> m.equals("isRoot") ||
+                m.equals("isEmpty") ||
+                m.equals("isNotEmpty");
     }
 
     // TypeNameTesting..................................................................................................