Haha, not even close.
There were not enough characters for that.
My morse is rusty, and I can transmit faster than I can read.
It was something like
His “test”
5
O
H
5
I
O
Then his sequence
CQG CQD[I lost it around here, but finished with something like] TX
So in a nut shell
My best guess, as I am not a ham, but
their callsign, his callsign, [the actual message that i completely missed] TX (which might mean transmit, so guessing, “end of transmission”)
I AM NOT A HAM 
but these people are