test: update test on apache tinkerpop

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

jnosql-tinkerpop/src/test/java/org/eclipse/jnosql/databases/tinkerpop/mapping/DefaultValueMapTraversalTest.java

@@ -102,6 +102,6 @@ void shouldReturnSingleResult() {
         String name = "Poliana";
         Optional<Map<String, Object>> poliana = graphTemplate.traversalVertex().hasLabel("Person").
                 has("name", name).valueMap("name").singleResult();
-        assertEquals(name, poliana.map(m -> ((List) m.get("name")).get(0)).orElse(""));
+        assertEquals(name, poliana.map(m ->  m.get("name")).orElse(""));
     }
 }

jnosql-tinkerpop/src/test/java/org/eclipse/jnosql/databases/tinkerpop/mapping/DefaultVertexTraversalTest.java

@@ -280,7 +280,7 @@ void shouldMapValuesAsStream() {
 
         List<String> names = new ArrayList<>();
 
-        maps.forEach(m -> names.add(((List) m.get("name")).get(0).toString()));
+        maps.forEach(m -> names.add(m.get("name").toString()));
 
         assertThat(names).contains("Otavio", "Poliana", "Paulo");
     }