@Test
public void shouldUseMapOfValuesFromConstructor()
{

    Map<String, String> values = new HashMap<String, String>();
    values.put("Key-1", "Value-1");
    values.put("Key-2", "Value-2");
    Properties expected = new Properties();
    expected.putAll(values);
    PropertiesBuilder builder    = new PropertiesBuilder(values);
    Properties        properties = builder.realize();
    assertThat(properties, is(expected));
}