diff --git a/editoast/src/views/train_schedule.rs b/editoast/src/views/train_schedule.rs
index 732d51257e6..fb6370d1e26 100644
--- a/editoast/src/views/train_schedule.rs
+++ b/editoast/src/views/train_schedule.rs
@@ -1045,15 +1045,77 @@ mod tests {
         // Ignore the rest of the payload
     }
 
+    fn mocked_core_for_project_path(train_id: i64) -> MockingClient {
+        let mut core = MockingClient::new();
+        core.stub("/v2/pathfinding/blocks")
+            .method(reqwest::Method::POST)
+            .response(StatusCode::OK)
+            .json(json!({
+                "blocks":[],
+                "routes": [],
+                "track_section_ranges": [],
+                "path_item_positions": [0,1,2,3],
+                "length": 0,
+                "status": "success"
+            }))
+            .finish();
+        core.stub("/v2/standalone_simulation")
+            .method(reqwest::Method::POST)
+            .response(StatusCode::OK)
+            .json(json!({
+                "status": "success",
+                "base": {
+                    "positions": [],
+                    "times": [],
+                    "speeds": [],
+                    "energy_consumption": 0.0,
+                    "path_item_times": [0, 1000, 2000, 3000]
+                },
+                "provisional": {
+                    "positions": [],
+                    "times": [],
+                    "speeds": [],
+                    "energy_consumption": 0.0,
+                    "path_item_times": [0, 1000, 2000, 3000]
+                },
+                "final_output": {
+                    "positions": [0],
+                    "times": [0],
+                    "speeds": [],
+                    "energy_consumption": 0.0,
+                    "path_item_times": [0, 1000, 2000, 3000],
+                    "signal_critical_positions": [],
+                    "zone_updates": [],
+                    "spacing_requirements": [],
+                    "routing_requirements": []
+                },
+                "mrsp": {
+                    "boundaries": [],
+                    "values": []
+                },
+                "electrical_profiles": {
+                    "boundaries": [],
+                    "values": []
+                }
+            }))
+            .finish();
+        core.stub("/v2/signal_projection")
+            .method(reqwest::Method::POST)
+            .response(StatusCode::OK)
+            .json(json!({
+                "signal_updates": {train_id.to_string(): [] },
+            }))
+            .finish();
+        core
+    }
+
+    
+
     #[rstest]
     async fn train_schedule_project_path() {
         // SETUP
         let db_pool = DbConnectionPoolV2::for_tests();
-        let core = mocked_core_pathfinding_and_sim();
-        let app = TestAppBuilder::new()
-            .db_pool(db_pool.clone())
-            .core_client(core.into())
-            .build();
+        
         let small_infra = create_small_infra(&mut db_pool.get_ok()).await;
         let rolling_stock =
             create_fast_rolling_stock(&mut db_pool.get_ok(), "simulation_rolling_stock").await;
@@ -1082,11 +1144,20 @@ mod tests {
             },
         }
         .into();
-        let train_schedule_fail = train_schedule_fail
-            .create(&mut db_pool.get_ok())
-            .await
-            .expect("Failed to create train schedule");
 
+        
+    let train_schedule_fail = train_schedule_fail
+        .create(&mut db_pool.get_ok())
+        .await
+        .expect("Failed to create train schedule");
+
+    let core = mocked_core_for_project_path(train_schedule_valid.id);
+    let app = TestAppBuilder::new()
+            .db_pool(db_pool.clone())
+            .core_client(core.into())
+            .build();
+
+        
         // TEST
         let request = app.post("/train_schedule/project_path").json(&json!({
             "infra_id": small_infra.id,
@@ -1094,7 +1165,7 @@ mod tests {
             "ids": vec![train_schedule_fail.id, train_schedule_valid.id],
             "path": {
                 "track_section_ranges": [
-                    {"track_section": "fake_track", "begin": 0, "end": 100, "direction": "START_TO_STOP"}
+                    {"track_section": "TA1", "begin": 0, "end": 100, "direction": "START_TO_STOP"}
                 ],
                 "routes": [],
                 "blocks": []