@Test
public void testGetClobProperty()
{

    // Create a mock configuration entity.
    ConfigurationEntity configurationEntity = mock(ConfigurationEntity.class);
    when(configurationEntity.getValueClob()).thenReturn(CONFIGURATION_VALUE);
    // Mock the external calls.
    when(configurationDao.getConfigurationByKey(CONFIGURATION_KEY)).thenReturn(configurationEntity);
    // Call the method under test.
    String result = configurationDaoHelper.getClobProperty(CONFIGURATION_KEY);
    // Verify the external calls.
    verify(configurationDao).getConfigurationByKey(CONFIGURATION_KEY);
    verifyNoMoreInteractionsHelper();
    // Validate the results.
    assertEquals(CONFIGURATION_VALUE, result);
}