func (suite *StateSuite) TestComposeAddressesSuffixesAddresses(c *C) {
c.Check(
environs.ComposeAddresses([]string{"onehost", "otherhost"}, 1957),
DeepEquals,
[]string{"onehost:1957", "otherhost:1957"})
}
func (suite *StateSuite) TestComposeAddressesAcceptsNil(c *C) {
c.Check(environs.ComposeAddresses(nil, 1433), DeepEquals, []string{})
}