fix tests

src/test/java/com/redislabs/RGHibernateTest.java

@@ -25,7 +25,7 @@ public void test() {
 
       Transaction transaction = session.beginTransaction();
       Map item1 = new HashMap();
-      item1.put( "id", 33);
+      item1.put( "id", "33");
       item1.put( "firstName", "Ron" );
       item1.put( "lastName", "Don" );
       item1.put( "email", "[email protected]" );
@@ -34,7 +34,7 @@ public void test() {
 
       Transaction transaction2 = session.beginTransaction();
       Map item2 = new HashMap();
-      item2.put( "id", 12);
+      item2.put( "id", "12");
       item2.put( "firstName", "Danni" );
       item2.put( "lastName", "Din" );
       item2.put( "email", "[email protected]" );
@@ -48,7 +48,7 @@ public void test() {
 
       Transaction transaction3 = session.beginTransaction();
       Map item3 = new HashMap();
-      item3.put( "id", 51);
+      item3.put( "id", "51");
       item3.put( "firstName", "John");
       item3.put( "lastName", "Scott");
       item3.put( "email", "[email protected]");
@@ -57,7 +57,7 @@ public void test() {
 
       Transaction transaction4 = session.beginTransaction();
       Map item4 = new HashMap();
-      item4.put( "id", 12);
+      item4.put( "id", "12");
       item4.put( "firstName", "Danni");
       item4.put( "lastName", "Chin");
       item4.put( "email", "[email protected]");