More tests.

api/krusty/kustomizer_test.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-// TODO: move most of the tests in the api/target package to this package.
 package krusty_test
 
 import (
@@ -11,12 +10,11 @@ import (
 	"sigs.k8s.io/kustomize/api/krusty"
 )
 
-// TODO: move most of the tests in api/internal/target
-// to this package, as they are all high level tests and
-// examples appropriate to this level and package.
-// The following test isn't much more than a usage example;
-// everything is actually tested down in api/internal/target.
-func TestSomething(t *testing.T) {
+// A simple usage example - just shows what happens when
+// there are no files to read.  For more substantial tests
+// and examples, see other tests in this package.
+// TODO: https://github.com/kubernetes-sigs/kustomize/issues/1862
+func TestEmptyFileSystem(t *testing.T) {
 	fSys := filesys.MakeFsInMemory()
 	b := krusty.MakeKustomizer(fSys, krusty.MakeDefaultOptions())
 	_, err := b.Run("noSuchThing")