cmd/juju: simplify testing infrastructure.

cmd/juju/cmd_test.go

 package main
 
 import (
         "launchpad.net/gnuflag"
         . "launchpad.net/gocheck"
         "launchpad.net/juju-core/cmd"
         "launchpad.net/juju-core/environs"
         "launchpad.net/juju-core/environs/dummy"
         "launchpad.net/juju-core/juju/testing"
         "launchpad.net/juju-core/version"
         "net/http"
         "os"
         "reflect"
 )
 
 type CmdSuite struct {
         testing.JujuConnSuite
 }
 
 var _ = Suite(&CmdSuite{})
 
-// N.B. none of the environment names in this config
-// should coincide with the environment name used in
-// JujuConnSuite.
 var config = `
 default:
     peckham
 environments:
     peckham:
         type: dummy
         zookeeper: false
         authorized-keys: i-am-a-key
     walthamstow:
         type: dummy
@@ skipping 253 matching lines @@
         return com, com.Init(newFlagSet(), args)
 }
 
 func (*CmdSuite) TestUnexposeCommandInit(c *C) {
         // missing args
         _, err := initUnexposeCommand()
         c.Assert(err, ErrorMatches, "no service name specified")
 
         // environment tested elsewhere
 }