refactor(utils): adds app to drop_db

app/utils/db_utils.py

@@ -12,5 +12,7 @@ class DBUtils():
     with app.app_context():
       db.create_all()
 
-  def drop_db():
+  def drop_db(app):
-    db.drop_all()
+    with app.app_context():
+      db.drop_all()
+