[examples/maxswerve] Add header to a test file

Author: epanov1602

examples/maxswerve/tests/test_swerveutils.py

@@ -1,3 +1,9 @@
+#
+# Copyright (c) FIRST and other WPILib contributors.
+# Open Source Software; you can modify and/or share it under the terms of
+# the WPILib BSD license file in the root directory of this project.
+#
+
 import swerveutils
 
 def test_stepTowardsCircular1():