Real collaboration amounts to adding values to ideas or discussions that is being advanced by one or more members of the parties. Often a consensus is emerged as an agreed resolution to the discussions, which in some way adds value to the subject matter being discussed.
Yes, it could be a "good" collaboration when the discussions contribute towards the advancement of the stated goals. Meaning, it must be adding values to ideas or discussions in some way or other. Just having an equitable repartition of the speech time and of the gestuality is essential but not sufficient.