HCOLL-267 fixed serialization issue with GenericEnumMarshaller

pom.xml

@@ -46,7 +46,7 @@
             <dependency>
                 <groupId>net.openhft</groupId>
                 <artifactId>lang</artifactId>
-                <version>6.4.18</version>
+                <version>6.4.19-SNAPSHOT</version>
             </dependency>
 
             <dependency>

src/test/java/net/openhft/chronicle/map/CHMUseCasesTest.java

@@ -2418,13 +2418,12 @@ public class CHMUseCasesTest {
         }
     }
 
-    @Ignore("HCOLL-267 MapMarshaller fails to serialize")
     @Test
     public void testMapStringIntegerValue() throws IOException {
 
 
         if (typeOfMap == TypeOfMap.STATELESS)
-            return; // getUsingLocked supported by the STATELESS client
+            return; // getUsingLocked not supported by the STATELESS client
 
         ChronicleMapBuilder<String, Map<String, Integer>> builder = ChronicleMapBuilder
                 .of(String.class, (Class<Map<String, Integer>>) (Class) Map.class)