Use a unique ID for the test entity

Author: jlara310

samples/snippets/src/test/java/com/example/datastore/RegionalEndpointIT.java

@@ -56,9 +56,9 @@ public void testRegionalEndpoint() throws Exception {
     // The kind for the new entity
     String kind = "Task";
     // The name/ID for the new entity
-    String name = "sampletask1";
+    long id = 5072090633863168L;
     // The Cloud Datastore key for the new entity
-    Key taskKey = datastoreWithEndpoint.newKeyFactory().setKind(kind).newKey(name);
+    Key taskKey = datastoreWithEndpoint.newKeyFactory().setKind(kind).newKey(id);
 
     // Prepares the new entity
     Entity task = Entity.newBuilder(taskKey).set("description", "Buy milk").build();