test/vertical_split.py: Move keyspace setup into setUp().
test/vertical_split.py: Move keyspace setup into setUp().

This way, vertical_split.py can be reused by a future automation_vertical_split.py.

HubSpot/vitess,applift/vitess,applift/vitess,mapbased/vitess,rnavarro/vitess,rnavarro/vitess,pivanof/vitess,dumbunny/vitess,tirsen/vitess,mattharden/vitess,dcadevil/vitess,guokeno0/vitess,guokeno0/vitess,HubSpot/vitess,AndyDiamondstein/vitess,tinyspeck/vitess,pivanof/vitess,erzel/vitess,aaijazi/vitess,sougou/vitess,AndyDiamondstein/vitess,applift/vitess,enisoc/vitess,vitessio/vitess,rnavarro/vitess,erzel/vitess,AndyDiamondstein/vitess,vitessio/vitess,enisoc/vitess,HubSpot/vitess,vitessio/vitess,alainjobart/vitess,alainjobart/vitess,applift/vitess,mahak/vitess,rnavarro/vitess,aaijazi/vitess,guokeno0/vitess,mattharden/vitess,erzel/vitess,AndyDiamondstein/vitess,dumbunny/vitess,enisoc/vitess,enisoc/vitess,mahak/vitess,rnavarro/vitess,pivanof/vitess,AndyDiamondstein/vitess,mahak/vitess,erzel/vitess,vitessio/vitess,mapbased/vitess,aaijazi/vitess,tirsen/vitess,applift/vitess,mapbased/vitess,mattharden/vitess,vitessio/vitess,dcadevil/vitess,applift/vitess,alainjobart/vitess,mattharden/vitess,alainjobart/vitess,vitessio/vitess,mapbased/vitess,mattharden/vitess,enisoc/vitess,dcadevil/vitess,pivanof/vitess,tinyspeck/vitess,tirsen/vitess,mahak/vitess,mattharden/vitess,aaijazi/vitess,alainjobart/vitess,enisoc/vitess,AndyDiamondstein/vitess,davygeek/vitess,vitessio/vitess,dcadevil/vitess,guokeno0/vitess,guokeno0/vitess,aaijazi/vitess,mahak/vitess,HubSpot/vitess,erzel/vitess,davygeek/vitess,dumbunny/vitess,aaijazi/vitess,dcadevil/vitess,applift/vitess,HubSpot/vitess,sougou/vitess,mapbased/vitess,guokeno0/vitess,erzel/vitess,aaijazi/vitess,dcadevil/vitess,mattharden/vitess,mapbased/vitess,alainjobart/vitess,tinyspeck/vitess,tinyspeck/vitess,applift/vitess,mahak/vitess,davygeek/vitess,sougou/vitess,erzel/vitess,tirsen/vitess,erzel/vitess,mattharden/vitess,guokeno0/vitess,dumbunny/vitess,rnavarro/vitess,mahak/vitess,pivanof/vitess,HubSpot/vitess,dumbunny/vitess,sougou/vitess,pivanof/vitess,davygeek/vitess,mahak/vitess,erzel/vitess,mapbased/vitess,sougou/vitess,dumbunny/vitess,rnavarro/vitess,tirsen/vitess,dumbunny/vitess,davygeek/vitess,rnavarro/vitess,dumbunny/vitess,alainjobart/vitess,tirsen/vitess,mapbased/vitess,pivanof/vitess,tirsen/vitess,pivanof/vitess,dcadevil/vitess,rnavarro/vitess,mapbased/vitess,dumbunny/vitess,tinyspeck/vitess,aaijazi/vitess,tinyspeck/vitess,guokeno0/vitess,pivanof/vitess,enisoc/vitess,tirsen/vitess,dumbunny/vitess,HubSpot/vitess,AndyDiamondstein/vitess,vitessio/vitess,tinyspeck/vitess,AndyDiamondstein/vitess,sougou/vitess,HubSpot/vitess,davygeek/vitess,mattharden/vitess,sougou/vitess,sougou/vitess,guokeno0/vitess,applift/vitess,mapbased/vitess,mattharden/vitess,alainjobart/vitess,erzel/vitess,davygeek/vitess,aaijazi/vitess,AndyDiamondstein/vitess,applift/vitess,tirsen/vitess