IO redirections were not working on linux

Signed-off-by: Jacob Tomlinson <jtomlinson@nvidia.com>

cmd/validate_test.go

@@ -18,22 +18,16 @@
 package cmd
 
 import (
-	"bytes"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
 func TestValidate(t *testing.T) {
 	assert := assert.New(t)
-
-	b := new(bytes.Buffer)
-	rootCmd.SetOut(b)
-	rootCmd.SetErr(b)
 	rootCmd.SetArgs([]string{"validate", "--file", "../examples/kubeflow.yaml", "container-canary/kubeflow:shouldpass"})
-	rootCmd.Execute()
-
-	assert.Contains(b.String(), "Validating container-canary/kubeflow:shouldpass against kubeflow", "did not validate")
+	err := rootCmd.Execute()
+	assert.Nil(err, "should not error")
 }
 
 func TestFileDoesNotExist(t *testing.T) {

internal/validator/validator.go

@@ -213,7 +213,7 @@ func Validate(image string, configPath string, cmd *cobra.Command, debug bool) (
 		debug:            debug,
 		image:            image,
 	}
-	p := tea.NewProgram(m, tea.WithInput(cmd.InOrStdin()), tea.WithOutput(cmd.OutOrStdout()))
+	p := tea.NewProgram(m)
 	out, err := p.StartReturningModel()
 	if err != nil {
 		return false, err