rename test data files

test/data/mx1.dub2.ie.geant.net-None.output

test/data/mx1.dub2.ie.geant.net-bgp.output

test/data/mx1.dub2.ie.geant.net-interfaces.output

test/data/mx1.dub2.ie.geant.net-vrr.output

test/data/mx1.fra.de.geant.net-None.output

test/data/mx1.fra.de.geant.net-bgp.output

test/data/mx1.fra.de.geant.net-interfaces.output

test/data/mx1.fra.de.geant.net-vrr.output

test/data/mx1.gen.ch.geant.net-None.output

test/data/mx1.gen.ch.geant.net-bgp.output

test/data/mx1.gen.ch.geant.net-interfaces.output

test/data/mx1.gen.ch.geant.net-vrr.output

test/data/mx1.ham.de.geant.net-None.output

test/data/mx1.ham.de.geant.net-bgp.output

test/data/mx1.ham.de.geant.net-interfaces.output

test/data/mx1.ham.de.geant.net-vrr.output

test/data/mx1.kau.lt.geant.net-None.output

test/data/mx1.kau.lt.geant.net-bgp.output

test/data/mx1.kau.lt.geant.net-interfaces.output

test/data/mx1.kau.lt.geant.net-vrr.output