Production and test should not be co-mingled in the same files.

The mock initialization functions are currently referenced by code
outside of the peer package and can't be moved to an _test.go file
right now without introducing compilation errors.

Change-Id: I179c21f9268d464b4a8d583066e5f122b2141dc4
Signed-off-by: Matthew Sykes <sykesmat@us.ibm.com>