Fix travis build
Fix travis build

It looks like after changing travis to run `go build ./...` it
fails often. This will revert to previous setting when all tests
packages were running separtely until we find sollution for running
integration tests.

guilhem/marathon-consul,trueanthem/marathon-consul,trueanthem/marathon-consul,allegro/marathon-consul,allegro/marathon-consul,guilhem/marathon-consul