### Question:
SystemPropertyConfigSource extends PayaraConfigSource implements ConfigSource { @Override public int getOrdinal() { return 400; } SystemPropertyConfigSource();   SystemPropertyConfigSource(boolean test); @Override Map<String, String> getProperties(); @Override int getOrdinal(); @Override String getValue(String propertyName); @Override String getName();  }### Answer:
@Test public void testGetOrdinal() { assertEquals(400, source.getOrdinal()); }