@Test
public void shouldNotSetEmptyScopes() {

    AuthenticationRequest authenticationRequest = new AuthenticationRequest.Builder(mClientId, mResponseType, mRedirectUri)
            .setScopes(new String[]{})
            .build();
    Uri.Builder uriBuilder = getBaseAuthUri(mClientId, mResponseType.toString(), mRedirectUri, mDefaultCampaign);
    Uri uri = uriBuilder.build();
    assertEquals(uri, authenticationRequest.toUri());
}