add utest for failing if routerdescriptors end with OK (w and p variants)
add utest for failing if routerdescriptors end with OK (w and p variants)

sammyshj/txtorcon,isislovecruft/txtorcon,ghtdak/txtorcon,david415/txtorcon,isislovecruft/txtorcon,meejah/txtorcon,ghtdak/txtorcon,david415/txtorcon,meejah/txtorcon,sammyshj/txtorcon