@Test
public void testCheckNotAllowedMethodBlockedMethodListIsBlank()
{

    // Create a mock configuration entity.
    ConfigurationEntity configurationEntity = mock(ConfigurationEntity.class);
    when(configurationEntity.getValueClob()).thenReturn(BLANK_TEXT);
    // Mock the external calls.
    when(configurationDao.getConfigurationByKey(ConfigurationValue.NOT_ALLOWED_HERD_ENDPOINTS.getKey())).thenReturn(configurationEntity);
    // Call the method under test.
    configurationDaoHelper.checkNotAllowedMethod(METHOD_NAME);
    // Verify the external calls.
    verify(configurationDao).getConfigurationByKey(ConfigurationValue.NOT_ALLOWED_HERD_ENDPOINTS.getKey());
    verifyNoMoreInteractionsHelper();
}