test: avoid fabric version 2.0
test: avoid fabric version 2.0

Seems that fabric v2 doesn't work with the current files. Let's keep
using v1.X for now.

Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

fujita/gobgp,osrg/gobgp,j-kato/gobgp,a16/gobgp,fujita/gobgp,a16/gobgp,tamihiro/gobgp,a16/gobgp,osrg/gobgp,osrg/gobgp,a16/gobgp,tamihiro/gobgp,osrg/gobgp,j-kato/gobgp,tamihiro/gobgp,fujita/gobgp,a16/gobgp,fujita/gobgp,a16/gobgp,tamihiro/gobgp,a16/gobgp,j-kato/gobgp