@Test
public void testGetNonNegativeBigDecimalRequiredPropertyValidationThrowsWhenConfigurationValueIsNull()
{

    try
    {
        configurationHelper.getNonNegativeBigDecimalRequiredProperty(null);
        fail("Should throw an IllegalStateException when configuration value is null.");
    }
    catch (IllegalStateException e)
    {
        assertEquals("configurationValue is required", e.getMessage());
    }
}