@Test
public void integer() throws Exception {

    prepareConfig("20");
    assertEquals(20, this.config.getInteger(XenonConfigurationTest.class, this.foundProperty, -1));
    assertEquals(5, this.config.getInteger(XenonConfigurationTest.class, this.undefined, 5));
    prepareConfig("not really an int");
    assertEquals(7, this.config.getInteger(XenonConfigurationTest.class, this.foundProperty, 7));
}