Adjacent Letter Test
Pyth - 66 62 60 bytes
Pretty straightforward approach. Checks if any of substrings len 3 are in any of the rotations of the keyboard. Will be using base encoding for keyboard.
.E}Rjb+J+Kc+jkS9&quot;0
qwertyuiop
asdfghjkl
zxcvbnm&quot;b.tKN_MJ.:z3

Test Suite.