message: expect true for distance in idm
diff: @@ -131,6 +131,7 @@ double BaseIDM::CalcNetDistance(
  */
  double BaseIDM::CalcIDMAcc(const double net_distance, const double vel_ego,
  const double vel_other) const {
  + BARK_EXPECT_TRUE(net_distance >= 0);
  const float acc_lower_bound = GetAccelerationLowerBound();
  const float acc_upper_bound = GetAccelerationUpperBound();
  // For now, linit acceleration of IDM to brake with -acc_max
  @@ -154,7 +155,7 @@ IDMRelativeValues BaseIDM::CalcRelativeValues(
  bool interaction_term_active = false;
  double leading_distance = 0.;
  double leading_velocity = 1e6;
  - double ego_acc = 0.0f;
  + double ego_acc = 0.0f; // TODO: ommit, as it is confusing
  double leading_acc = 0.0f;
  IDMRelativeValues rel_values;
  