config.setProperty("api.dfp.clientId", "clientIdDfp");
config.setProperty("api.dfp.clientSecret", "clientSecretDfp");
config.setProperty("api.adwords.clientId", "clientIdAdWords");
config.setProperty("api.adwords.clientSecret", "clientSecretAdWords");
GoogleClientSecrets googleClientSecrets = new GoogleClientSecretsBuilder()
.forApi(GoogleClientSecretsBuilder.Api.DFP)
.from(config)
.build();
assertEquals(googleClientSecrets.getInstalled().getClientId(), "clientIdDfp");
assertEquals(googleClientSecrets.getInstalled().getClientSecret(), "clientSecretDfp");
}