Function saveConfigAndValidateNewFormat

cli/config/config_test.go:284–292

Save it and make sure it shows up in new form

(t *testing.T, config *configfile.ConfigFile, configDir string)

// Save it and make sure it shows up in new form
func saveConfigAndValidateNewFormat(t *testing.T, config *configfile.ConfigFile, configDir string) string {
	t.Helper()
	assert.NilError(t, config.Save())

	buf, err := os.ReadFile(filepath.Join(configDir, ConfigFileName))
	assert.NilError(t, err)
	assert.Check(t, is.Contains(string(buf), `"auths":`))
	return string(buf)
}

func TestConfigDir(t *testing.T) {
	tmpHome := t.TempDir()