add edit command option for editing name suffix

pkg/fs/fakefs.go

@@ -19,9 +19,10 @@ package fs
 import (
 	"fmt"
 	"path/filepath"
-	"sigs.k8s.io/kustomize/pkg/constants"
 	"sort"
 	"strings"
+
+	"sigs.k8s.io/kustomize/pkg/constants"
 )
 
 var _ FileSystem = &fakeFs{}
@@ -40,6 +41,7 @@ func MakeFakeFS() *fakeFs {
 
 // kustomizationContent is used in tests.
 const kustomizationContent = `namePrefix: some-prefix
+nameSuffix: some-suffix
 # Labels to add to all objects and selectors.
 # These labels would also be used to form the selector for apply --prune
 # Named differently than “labels” to avoid confusion with metadata for this object