MediaRecorder pause and then stop fails

MediaRecorderTest.java

package org.odk.collect.android.instrumented;

import android.media.MediaRecorder;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import java.io.File;

@RunWith(AndroidJUnit4.class)
public class MediaRecorderTest {

    @Test
    public void whenRecordingAMR_pause_andThenStop_works() throws Exception {
        MediaRecorder mediaRecorder = new MediaRecorder();
        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        mediaRecorder.setAudioSamplingRate(8000);
        mediaRecorder.setAudioEncodingBitRate(12200);
        mediaRecorder.setOutputFile(File.createTempFile("test", ".amr").getAbsolutePath());
        mediaRecorder.prepare();

        mediaRecorder.start();
        Thread.sleep(1000); // Make sure we get some data before pausing so stop doesn't fail

        mediaRecorder.pause();
        mediaRecorder.stop();
    }

    @Test
    public void whenRecordingAAC_pause_andThenStop_works() throws Exception {
        MediaRecorder mediaRecorder = new MediaRecorder();
        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
        mediaRecorder.setAudioSamplingRate(32000);
        mediaRecorder.setAudioEncodingBitRate(64000);
        mediaRecorder.setOutputFile(File.createTempFile("test", ".mp4").getAbsolutePath());
        mediaRecorder.prepare();

        mediaRecorder.start();
        Thread.sleep(1000); // Make sure we get some data before pausing so stop doesn't fail

        mediaRecorder.pause();
        mediaRecorder.stop();
    }
}