import android.util.Base64;
import android.util.Log;
import org.mockito.Matchers;
import org.mockito.Mockito;
import java.io.IOException;
<BUG>import java.io.InputStream;</BUG>
import java.io.OutputStream;
<BUG>import java.net.HttpURLConnection;
import java.security.MessageDigest;</BUG>
import java.security.NoSuchAlgorithmException;

import android.util.Base64;
import android.util.Log;
import org.mockito.Matchers;
import org.mockito.Mockito;
import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
