diff --git a/src/main/java/com/example/cosmos_serversb/models/Groups.java b/src/main/java/com/example/cosmos_serversb/models/Groups.java
index be52147..924caed 100644
--- a/src/main/java/com/example/cosmos_serversb/models/Groups.java
+++ b/src/main/java/com/example/cosmos_serversb/models/Groups.java
@@ -16,34 +16,11 @@
     private static ArrayList<Group> groups = new ArrayList<>();
 
     private static SessionFactory sessionFactory;
-
-    public static void setUp() {
-        // A SessionFactory is set up once for an application!
-        final StandardServiceRegistry registry = new StandardServiceRegistryBuilder()
-                .configure() // configures settings from hibernate.cfg.xml
-                .build();
-        try {
-            sessionFactory = new MetadataSources( registry ).buildMetadata().buildSessionFactory();
-        }
-        catch (Exception e) {
-            // The registry would be destroyed by the SessionFactory, but we had trouble building the SessionFactory
-            // so destroy it manually.
-            StandardServiceRegistryBuilder.destroy( registry );
-        }
-    }
-
-    public static void tearDown() {
-        try {
-            if ( sessionFactory != null ) {
-                sessionFactory.close();
-            }
-        } catch (Exception e) {
-            System.out.println("Exception!");
-        }
-    }
+    private static String baseURI = "http://nitta-lab-www.is.konan-u.ac.jp/";
+    private static String AppName = "cosmos";
 
     private Groups(){
-        setUp();
+        sessionFactory = SessionFactoryManager.getInstance().getSessionFactory();
     }
 
     public static Groups getInstance(){
@@ -53,13 +30,27 @@
         return theInstance;
     }
 
+    public static String createGId() {
+        //gIdを作成し既存していないかチェック後DBに保存し作成したgIdを返す
+        String gId = UUID.randomUUID().toString();
+        return gId;
+    }
+
+    public static String createRId() {
+        //rIdを作成し既存していないかチェック後DBに保存し作成したrIdを返す
+        String rId = UUID.randomUUID().toString();
+        return rId;
+    }
+
     public static HashMap<String, String> getGroupsListByUid(String uId){
         return createTestHashMap();
     }
 
     public static Group createGroup(String name, String uId){
         //先にGidとuriの発行を行う
-        Group testGroup = new Group("123456789", "http://test.com", name, uId);
+        String gId = getInstance().createGId();
+        String uri = baseURI + AppName + "/groups/" + gId;
+        Group testGroup = new Group(gId, uri, name, uId);
         Session session = sessionFactory.openSession();
         session.beginTransaction();
         session.save(testGroup);
@@ -113,7 +104,9 @@
 
     public static Request addRequests(String gId, String uId, String product, String deadline, int location){
         //テスト用
-        Request testRequest = new Request("123456789", "http://test.com", "1999/01/01/15:00:00",
+        String rId = getInstance().createRId();
+        String uri = baseURI + AppName + "/groups/" + gId + "/requests/" + rId;
+        Request testRequest = new Request(rId, uri, "1999/01/01/15:00:00",
                                             uId, product, "1999/01/01/15:00:00", 999);
         return testRequest;
     }
@@ -125,7 +118,7 @@
     public static Request updateRequest(String gId, String rId, String uId, String product, String deadline, int location, boolean done){
 
         //テスト用
-        Request testRequest = new Request("123456789", "http://test.com", "1999/01/01/15:00:00",
+        Request testRequest = new Request(rId, "http://test.com", "1999/01/01/15:00:00",
                                             uId, product, "1999/01/01/15:00:00", 999);
 
         return testRequest;