test_object_lock_put_obj_lock_invalid_days assert is incorrect according to AWS

[romayalon]

The ceph test "test_object_lock_put_obj_lock_invalid_days" contains the check:
eq(error_code, 'InvalidRetentionPeriod')
Running the same code in AWS throws Error that contains error code: InvalidArgument and not InvalidRetentionPeriod.

In addition, test_object_lock_put_obj_lock_invalid_years appears twice and have different content (and one of them has the same problem as in test_object_lock_put_obj_lock_invalid_days).