diff --git a/core/src/services/candidate_service.rs b/core/src/services/candidate_service.rs
index 3ba2e8b..8d75457 100644
--- a/core/src/services/candidate_service.rs
+++ b/core/src/services/candidate_service.rs
@@ -41,3 +41,58 @@ impl CandidateService {
         Ok(candidate)
     } 
 }
+
+
+
+#[cfg(test)]
+mod tests {
+    use entity::candidate;
+    use sea_orm::{DbConn, Database, sea_query::TableCreateStatement, DbBackend, Schema, ConnectionTrait};
+    use serde_json::json;
+
+    use crate::{crypto, Mutation, services::candidate_service::CandidateService, token};
+
+    #[cfg(test)]
+    async fn get_memory_sqlite_connection() -> DbConn {
+        let base_url = "sqlite::memory:";
+        let db: DbConn = Database::connect(base_url).await.unwrap();
+    
+        let schema = Schema::new(DbBackend::Sqlite);
+        let stmt: TableCreateStatement = schema.create_table_from_entity(candidate::Entity);
+        db.execute(db.get_database_backend().build(&stmt)).await.unwrap();
+        db
+    }
+    
+    #[tokio::test]
+    async fn test_create_candidate() {
+        let db = get_memory_sqlite_connection().await;
+    
+        let form = serde_json::from_value(json!({
+                "application": 5555555,
+            })).unwrap();
+    
+        let candidate = Mutation::create_candidate(&db, form, &"Tajny_kod".to_string()).await.unwrap();
+    
+        assert_eq!(candidate.application, 5555555);
+        assert_ne!(candidate.code, "Tajny_kod".to_string());
+        assert!(crypto::verify_password("Tajny_kod", &*candidate.code).ok().unwrap());
+    }
+    
+    
+    #[tokio::test]
+    async fn test_candidate_jwt() {
+        let db = &get_memory_sqlite_connection().await;
+    
+        let form = serde_json::from_value(json!({
+            "application": 5555555,
+        })).unwrap();
+    
+        let candidate = Mutation::create_candidate(&db, form, &"Tajny_kod".to_string()).await.unwrap();
+    
+        let jwt = CandidateService::login(db, 5555555, "Tajny_kod".to_string()).await.ok().unwrap();
+    
+        let claims = token::decode_candidate_token(jwt).ok().unwrap().claims;
+    
+        assert_eq!(claims.application_id, candidate.application);
+    }
+}
\ No newline at end of file
diff --git a/core/tests/candidate_test.rs b/core/tests/candidate_test.rs
deleted file mode 100644
index 6bfeb24..0000000
--- a/core/tests/candidate_test.rs
+++ /dev/null
@@ -1,48 +0,0 @@
-use entity::candidate;
-use portfolio_core::{services::candidate_service::{CandidateService}, Mutation, crypto, token::{self}};
-use sea_orm::{DbConn, Database, sea_query::TableCreateStatement, DbBackend, Schema, ConnectionTrait};
-use serde_json::json;
-
-#[cfg(test)]
-async fn get_memory_sqlite_connection() -> DbConn {
-    let base_url = "sqlite::memory:";
-    let db: DbConn = Database::connect(base_url).await.unwrap();
-
-    let schema = Schema::new(DbBackend::Sqlite);
-    let stmt: TableCreateStatement = schema.create_table_from_entity(candidate::Entity);
-    db.execute(db.get_database_backend().build(&stmt)).await.unwrap();
-    db
-}
-
-#[tokio::test]
-async fn test_create_candidate() {
-    let db = get_memory_sqlite_connection().await;
-
-    let form = serde_json::from_value(json!({
-            "application": 5555555,
-        })).unwrap();
-
-    let candidate = Mutation::create_candidate(&db, form, &"Tajny_kod".to_string()).await.unwrap();
-
-    assert_eq!(candidate.application, 5555555);
-    assert_ne!(candidate.code, "Tajny_kod".to_string());
-    assert!(crypto::verify_password("Tajny_kod", &*candidate.code).ok().unwrap());
-}
-
-
-#[tokio::test]
-async fn test_candidate_jwt() {
-    let db = &get_memory_sqlite_connection().await;
-
-    let form = serde_json::from_value(json!({
-        "application": 5555555,
-    })).unwrap();
-
-    let candidate = Mutation::create_candidate(&db, form, &"Tajny_kod".to_string()).await.unwrap();
-
-    let jwt = CandidateService::login(db, 5555555, "Tajny_kod".to_string()).await.ok().unwrap();
-
-    let claims = token::decode_candidate_token(jwt).ok().unwrap().claims;
-
-    assert_eq!(claims.application_id, candidate.application);
-}
\ No newline at end of file