config := testConfig.Clone()

	// Replace the NameToCertificate map with a GetCertificate function
	nameToCert := config.NameToCertificate
	config.NameToCertificate = nil
	config.GetCertificate = func(clientHello *ClientHelloInfo) (*Certificate, error) {
		cert := nameToCert[clientHello.ServerName]
		return cert, nil
	}
	test := &serverTest{
		name:    "SNI-GetCertificate",