On the bottom back of the VIM2 there are two rows of test pads. Can we have a list of what they all are.
The row above the GPIO header and the row to the right of the header.
And you can check the schematic on Khadas Docs for the details, just note that the PIN1 marked as below:
Actually, the pads are not for testing but for GPIO expansion, applications can be found at vTV Expand Board.
Excerpt from Khadas Docs,
VIM2 Schematic PDF, Page # 6,
VIM2 GPIO, Pogo pins, Fan header and other…
From Schematic PDF, Page # 4,
RTC Battery header and 7 Pin Pogo…