def toComponent = Stub(ComponentGraphResolveState)
        def fromConfig = Stub(ModuleConfigurationMetadata)
        fromConfig.name >> "from"

        expect:
        def metadata = new IvyDependencyDescriptor(requested, "12", true, true, false, ImmutableListMultimap.of(), [], [])
        metadata.selectLegacyConfigurations(fromConfig, toComponent, resolutionFailureHandler).variants.empty
    }

		Username:      cfg.Username,
		Password:      cfg.Password,
		Auth:          cfg.Auth,
		IdentityToken: cfg.IdentityToken,
		RegistryToken: cfg.RegistryToken,
	}
	return authn.FromConfig(authConfig), nil