Convert the VNC MDM test to the explicit policy helper

client/internal/profilemanager/config_mdm_test.go

@@ -153,24 +153,20 @@ func TestApply_MDMVNCKeys(t *testing.T) {
 	tmp := filepath.Join(t.TempDir(), "config.json")
 
 	// Seed without MDM: VNC off, approval prompt on.
-	withMDMPolicy(t, mdm.NewPolicy(nil))
-	_, err := UpdateOrCreateConfig(ConfigInput{
+	configWithMDM(t, ConfigInput{
 		ConfigPath:         tmp,
 		ServerVNCAllowed:   boolPtr(false),
 		DisableVNCApproval: boolPtr(false),
-	})
-	require.NoError(t, err)
+	}, mdm.NewPolicy(nil))
 
 	// MDM enforces VNC on and disables the approval prompt.
-	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
+	cfg := configWithMDM(t, ConfigInput{
+		ConfigPath: tmp,
+	}, mdm.NewPolicy(map[string]any{
 		mdm.KeyAllowServerVNC:     true,
 		mdm.KeyDisableVNCApproval: true,
 	}))
 
-	cfg, err := UpdateOrCreateConfig(ConfigInput{ConfigPath: tmp})
-	require.NoError(t, err)
-	require.NotNil(t, cfg)
-
 	require.NotNil(t, cfg.ServerVNCAllowed)
 	assert.True(t, *cfg.ServerVNCAllowed, "MDM override should flip on-disk false to true")
 	require.NotNil(t, cfg.DisableVNCApproval)