Use key name in Datastore snippet.

tswast · tswast · commit d9baf9042065 · 2016-04-25T16:02:28.000-07:00
Writers are using this snippet in a slightly different way, so it needs
to include the key name instead of using the auto ID.
diff --git a/appengine/datastore/src/test/java/com/example/appengine/EntitiesTest.java b/appengine/datastore/src/test/java/com/example/appengine/EntitiesTest.java
@@ -72,7 +72,7 @@ public void kindExample_writesEntity() throws Exception {
     // [START kind_example]
     DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
 
-    Entity employee = new Entity("Employee");
+    Entity employee = new Entity("Employee", "asalieri");
     employee.setProperty("firstName", "Antonio");
     employee.setProperty("lastName", "Salieri");
     employee.setProperty("hireDate", new Date());
