function test_set_field_defaults_type_is_overridden_by_set()
 {
     $dt = new DataTable("http://example.org/store");
     $dt->map('http://example.org/name', 'name');
     $dt->set('name', 'http://example.com/foo', 'literal');
     $dt->set_field_defaults('name', 'uri');
     $g = $dt->get_insert_graph();
     $this->assertTrue($g->has_literal_triple('_:a1', 'http://example.org/name', 'http://example.com/foo'));
 }