But the promise may be surprising. It is an ideal, a goal, a paramount godly expectation. Being ethical is no guarantee you will get along with others. Their agendas may be different. But you have not chosen an ethical direction for the benefit of anyone but yourself as the result of your relationship with God.
Conflict is natural.
Resolution of conflict is a continuing need. If someone on the same team you are on is committing a blatantly immoral act, discretion is important. However, responsibility is a must. The biblical formula is go to that person and confront. If the behavior continues, take someone with you.