[TEST] Fix NumberFieldMapperTests.testNoDocValues to call correct helper method.

core/src/test/java/org/elasticsearch/index/mapper/NumberFieldMapperTests.java

@@ -128,7 +128,7 @@ public class NumberFieldMapperTests extends ESSingleNodeTestCase {
 
     public void testNoDocValues() throws Exception {
         for (String type : TYPES) {
-            doTestNotIndexed(type);
+            doTestNoDocValues(type);
         }
     }