fix failed tests for fn framework mount generator

cmd/config/internal/commands/e2e/e2econtainermountbind/main.go

@@ -0,0 +1,43 @@
+// Copyright 2023 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"sigs.k8s.io/kustomize/kyaml/fn/framework"
+	"sigs.k8s.io/kustomize/kyaml/fn/framework/command"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+func main() {
+	api := new(struct {
+		Path string `json:"path" yaml:"template"`
+	})
+	// create the template
+	readFn := func(items []*yaml.RNode) ([]*yaml.RNode, error) {
+		generated := []*yaml.RNode{}
+		for range items {
+			bytes, err := os.ReadFile(api.Path)
+			if err != nil {
+				return nil, fmt.Errorf("failed to read file: %w", err)
+			}
+			resources, err := yaml.Parse(string(bytes))
+			if err != nil {
+				return nil, fmt.Errorf("failed to parse: %w", err)
+			}
+			generated = append(generated, resources)
+		}
+
+		return generated, nil
+	}
+	p := framework.SimpleProcessor{Config: api, Filter: kio.FilterFunc(readFn)}
+	cmd := command.Build(p, command.StandaloneDisabled, false)
+	command.AddGenerateDockerfile(cmd)
+	if err := cmd.Execute(); err != nil {
+		os.Exit(1)
+	}
+}