// disable ENVs which interfere with tests.
	for _, env := range []string{
		crypto.EnvKMSAutoEncryption,
		config.EnvAccessKey,
		config.EnvSecretKey,
		config.EnvRootUser,
		config.EnvRootPassword,
	} {
		os.Unsetenv(env)
	}

	// Set as non-distributed.
	globalIsDistErasure = false

	// Disable printing console messages during tests.
	color.Output = io.Discard
	// Disable Error logging in testing.