Fixing a unit test failure (#1858)

MappingTest broke as a result of #1823. This commit fixes it.

Author: masseyke

mr/src/test/java/org/elasticsearch/hadoop/serialization/dto/mapping/MappingTest.java

@@ -137,7 +137,7 @@ public void testPrimitivesParsing() throws Exception {
         MappingSet mappings = getMappingsForResource("primitives.json");
         Mapping mapping = ensureAndGet("index", "primitives", mappings);
         Field[] props = mapping.getFields();
-        assertEquals(15, props.length);
+        assertEquals(16, props.length);
         assertEquals("field01", props[0].name());
         assertEquals(BOOLEAN, props[0].type());
         assertEquals("field02", props[1].name());

mr/src/test/resources/org/elasticsearch/hadoop/serialization/dto/mapping/typeless/primitives.json

@@ -47,6 +47,9 @@
         },
         "field15" : {
           "type" : "date_nanos"
+        },
+        "field16" : {
+          "type" : "wildcard"
         }
       }
     }