@Test
  public void testCreateProbeResults_invalidHistogram() {
    testHistogramContainer.addTestHistograms(
        workerAddress1, "testId", singletonMap("workerProbe", "invalidHistogram"));

    testHistogramContainer.createProbeResults("testSuiteId", "testId");
    assertFalse(probeFile.exists());
  }
  @Test
  public void testCreateProbeResults() {
    String histogram1 = createEncodedHistogram();
    testHistogramContainer.addTestHistograms(
        workerAddress1, "testId", singletonMap("workerProbe", histogram1));

    String histogram2 = createEncodedHistogram();
    testHistogramContainer.addTestHistograms(
        workerAddress2, "testId", singletonMap("workerProbe", histogram2));

    testHistogramContainer.createProbeResults("testSuiteId", "testId");
    assertTrue(probeFile.exists());
  }