resources: Unify resource creation and kind setting

This removes the duplication of the kind string and cleans up things for
resource creation.

resources/autogroup_test.go

@@ -108,6 +108,7 @@ func NewNoopResTest(name string) *NoopResTest {
 		NoopRes: NoopRes{
 			BaseRes: BaseRes{
 				Name: name,
+				Kind: "noop",
 				MetaParams: MetaParams{
 					AutoGroup: true, // always autogroup
 				},