(a) Except as otherwise provided in this chapter, the commissioners court has exclusive jurisdiction to hear and determine:
(1) contests and objections to creating a district;
(2) matters relating to creating a district; and
(3) all proceedings of a district during its organization.
(b) The commissioners court may adjourn a hearing from day to day, and the judgment of the commissioners court rendered under Subsection (a) of this section is final.