@Test
  public void shouldAllowAccessToAParticularStream() {
    sessionManager.startMobileSession(false);

    triggerMeasurement();

    MeasurementStream expected = Iterables.getOnlyElement(sessionManager.getMeasurementStreams());
    assertThat(sessionManager.getMeasurementStream("LHC") == expected, equalTo(true));
  }
  @Test
  public void shouldStoreMeasurements() {
    sessionManager.startMobileSession(false);

    triggerMeasurement(22);

    Measurement expected = new Measurement(location.getLatitude(), location.getLongitude(), 22);
    org.fest.assertions.Assertions.assertThat(
            sessionManager.getMeasurementStream("LHC").getMeasurements())
        .contains(expected);
  }