Fix tests

backend/app/models/token.py

@@ -1,12 +1,14 @@
 """Token model"""
 from sqlalchemy import Column, Integer, String, DateTime
-from sqlalchemy.sql import func
-from .base import Base
+from datetime import datetime
+
+from ..database import Base
 
 class Token(Base):
+    """Token model"""
     __tablename__ = "tokens"
 
     id = Column(Integer, primary_key=True, index=True)
     token = Column(String, unique=True, index=True)
-    user_id = Column(Integer, index=True)  # -1 для админа, остальные для сотрудников
-    created_at = Column(DateTime(timezone=True), server_default=func.now()) 
+    employee_id = Column(Integer)
+    created_at = Column(DateTime, default=datetime.utcnow)