### Question:
XMLConfig implements Config { @Override public ConfigSource getConfigSource() { return configSource; } @Inject  XMLConfig(@Assisted final ConfigSource configSource); @Override ConfigSource getConfigSource(); @Override IElementDef getElementDef(); @Override @Deprecated String getNamespaceURI(); @Override void reload();  }### Answer:
@Test public void testGetConfigSource() { assertSame(config.getConfigSource(), mockConfigSource); }