pkg/kubelet/userns: Remove skip on windows

We don't build these tests for Windows, let's remove this skip.

We should have never added that skip, we should have skipped the entire
suite on Windows.

Signed-off-by: Rodrigo Campos <[email protected]>

Author: rata

pkg/kubelet/userns/userns_manager_test.go

@@ -23,7 +23,6 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	goruntime "runtime"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -292,7 +291,6 @@ func TestGetOrCreateUserNamespaceMappings(t *testing.T) {
 		runtimeUserns  bool
 		runtimeHandler string
 		success        bool
-		skipOnWindows  bool
 	}{
 		{
 			name:    "no user namespace",
@@ -326,7 +324,6 @@ func TestGetOrCreateUserNamespaceMappings(t *testing.T) {
 			expMode:       runtimeapi.NamespaceMode_POD,
 			runtimeUserns: true,
 			success:       true,
-			skipOnWindows: true,
 		},
 		{
 			name: "user namespace, but no runtime support",
@@ -351,10 +348,6 @@ func TestGetOrCreateUserNamespaceMappings(t *testing.T) {
 
 	for _, tc := range cases {
 		t.Run(tc.name, func(t *testing.T) {
-			if tc.skipOnWindows && goruntime.GOOS == "windows" {
-				// TODO: remove skip once the failing test has been fixed.
-				t.Skip("Skip failing test on Windows.")
-			}
 			// These tests will create the userns file, so use an existing podDir.
 			testUserNsPodsManager := &testUserNsPodsManager{
 				podDir: t.TempDir(),