Translation:They asked for a place for the rehearsals.
Come on! This should be valid:
- They requested a venue for the rehearsals.
"Ensaio" is used by samba schools to designate the rehearsals before Carnaval.
It can be if you interpret ensaio as "test". However, in RJ in December -> Febuary, "ensaio" translates as "rehearsal" which is what the samba schools do before Carnaval.
This is a video of a "ensaio técnico" - a rehearsal for the samba school bateria. https://www.youtube.com/watch?v=Rk1Br1HpZGo