Revert "Change .travis.yml, set parallel to 1 to pass tests"
Revert "Change .travis.yml, set parallel to 1 to pass tests"

This reverts commit e7d1668347c751104ccebcd384f9ab742d9e0f55.

calgaryscientific/consul,vamage/consul,scalp42/consul,youhong316/consul,kingland/consul,scalp42/consul,scalp42/consul,calgaryscientific/consul,kingland/consul,42wim/consul,vamage/consul,hashicorp/consul,hashicorp/consul,kingland/consul,42wim/consul,youhong316/consul,calgaryscientific/consul,youhong316/consul,vamage/consul,scalp42/consul,youhong316/consul,42wim/consul,calgaryscientific/consul,vamage/consul,kingland/consul,42wim/consul,42wim/consul,kingland/consul,youhong316/consul,scalp42/consul,vamage/consul,hashicorp/consul,hashicorp/consul,calgaryscientific/consul