Fixed test description

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: kshaji3

python/tests/test_forward_inv_kinematics.py

@@ -4,8 +4,8 @@
  * All Rights Reserved
  * See LICENSE for the license information
  *
- * @file  test_robot.py
- * @brief Test Robot class.
+ * @file  test_forward_inv_kinematics.py
+ * @brief Forward kinematics factor and pose-goal inverse kinematics tests.
  * @author Varun Agrawal
 """