diff --git a/tests/test_pins.py b/tests/test_pins.py
index 46a27ba..2d8d5ca 100644
--- a/tests/test_pins.py
+++ b/tests/test_pins.py
@@ -9,18 +9,20 @@ def create_test_image():
     img_byte_arr.seek(0)
     return img_byte_arr
 
-def test_add_pin(token, user_id):
-    # D'abord créer une image
+def add_test_image(token):
     test_image = create_test_image()
-    image_response = client.post(
+    response = client.post(
         "/image/pin/null/add",
         files={"image": ("test.jpg", test_image, "image/jpeg")},
         data={"exif_date": "2024-03-20T12:00:00", "caption": "Test caption"},
         headers={"Authorization": f"Bearer {token}"}
     )
-    image_id = image_response.json()["id"]
+    return response.json()["id"]
+
+def create_test_pin(token, user_id, image_id=None):
+    if image_id is None:
+        image_id = add_test_image(token)
     
-    # Créer un pin avec cette image
     response = client.post(
         "/pin/add", 
         json={
@@ -32,9 +34,12 @@ def test_add_pin(token, user_id):
         }, 
         headers={"Authorization": f"Bearer {token}"}
     )
-    assert response.status_code == 200
-    data = response.json()
-    assert "id" in data
+    return response.json()["id"]
+
+def test_add_pin(token, user_id):
+    image_id = add_test_image(token)
+    pin_id = create_test_pin(token, user_id, image_id)
+    assert pin_id is not None
 
 def test_list_pins(token):
     response = client.get("/pins", headers={"Authorization": f"Bearer {token}"})
@@ -43,31 +48,9 @@ def test_list_pins(token):
     assert isinstance(data, list)
 
 def test_get_pin(token, user_id):
-    # D'abord créer une image
-    test_image = create_test_image()
-    image_response = client.post(
-        "/image/pin/null/add",
-        files={"image": ("test.jpg", test_image, "image/jpeg")},
-        data={"exif_date": "2024-03-20T12:00:00", "caption": "Test caption"},
-        headers={"Authorization": f"Bearer {token}"}
-    )
-    image_id = image_response.json()["id"]
+    image_id = add_test_image(token)
+    pin_id = create_test_pin(token, user_id, image_id)
     
-    # Ensuite créer un pin avec cette image
-    add_pin_response = client.post(
-        "/pin/add", 
-        json={
-            "title": "Test Pin", 
-            "description": "Test Description", 
-            "location": [0,0], 
-            "files": [image_id], 
-            "user_id": user_id
-        }, 
-        headers={"Authorization": f"Bearer {token}"}
-    )
-    pin_id = add_pin_response.json()["id"]
-    
-    # Récupérer le pin
     response = client.get(
         f"/pin/{pin_id}", 
         headers={"Authorization": f"Bearer {token}"}
@@ -88,31 +71,9 @@ def test_get_pin_unknown_id(token):
     assert response.status_code == 404
 
 def test_update_pin(token, user_id):
-    # D'abord créer une image
-    test_image = create_test_image()
-    image_response = client.post(
-        "/image/pin/null/add",
-        files={"image": ("test.jpg", test_image, "image/jpeg")},
-        data={"exif_date": "2024-03-20T12:00:00", "caption": "Test caption"},
-        headers={"Authorization": f"Bearer {token}"}
-    )
-    image_id = image_response.json()["id"]
+    image_id = add_test_image(token)
+    pin_id = create_test_pin(token, user_id, image_id)
     
-    # Créer un pin avec cette image
-    add_pin_response = client.post(
-        "/pin/add", 
-        json={
-            "title": "Test Pin", 
-            "description": "Test Description", 
-            "location": [0,0], 
-            "files": [image_id], 
-            "user_id": user_id
-        }, 
-        headers={"Authorization": f"Bearer {token}"}
-    )
-    pin_id = add_pin_response.json()["id"]
-    
-    # Mettre à jour le pin
     response = client.patch(
         f"/pin/{pin_id}", 
         json={
@@ -126,7 +87,6 @@ def test_update_pin(token, user_id):
     )
     assert response.status_code == 200
     
-    # Vérifier que le pin a été mis à jour
     get_response = client.get(
         f"/pin/{pin_id}", 
         headers={"Authorization": f"Bearer {token}"}
@@ -146,38 +106,15 @@ def test_update_wrong_unknown_id(token):
     assert response.status_code == 404
 
 def test_delete_pin(token, user_id):
-    # D'abord créer une image
-    test_image = create_test_image()
-    image_response = client.post(
-        "/image/pin/null/add",
-        files={"image": ("test.jpg", test_image, "image/jpeg")},
-        data={"exif_date": "2024-03-20T12:00:00", "caption": "Test caption"},
-        headers={"Authorization": f"Bearer {token}"}
-    )
-    image_id = image_response.json()["id"]
-    
-    # Créer un pin avec cette image
-    add_pin_response = client.post(
-        "/pin/add", 
-        json={
-            "title": "Test Pin", 
-            "description": "Test Description", 
-            "location": [0,0], 
-            "files": [image_id], 
-            "user_id": user_id
-        }, 
-        headers={"Authorization": f"Bearer {token}"}
-    )
-    pin_id = add_pin_response.json()["id"]
+    image_id = add_test_image(token)
+    pin_id = create_test_pin(token, user_id, image_id)
     
-    # Supprimer le pin
     response = client.delete(
         f"/pin/{pin_id}", 
         headers={"Authorization": f"Bearer {token}"}
     )
     assert response.status_code == 200
     
-    # Vérifier que le pin n'existe plus
     get_response = client.get(
         f"/pin/{pin_id}", 
         headers={"Authorization": f"Bearer {token}"}