func (s *StoreSuite) SetUpTest(c *C) {
s.LoggingSuite.SetUpTest(c)
charm.CacheDir = c.MkDir()
s.store = charm.NewStore("http://127.0.0.1:4444")
s.server.downloads = nil
}
func (s *StoreSuite) SetUpTest(c *C) {
s.cache = c.MkDir()
s.store = charm.NewStore("http://127.0.0.1:4444", s.cache)
s.server.downloads = nil
}