private void assertBaseDir(String expected, SearchNode node) {
        ProtonConfig.Builder builder = new ProtonConfig.Builder();
        node.getConfig(builder);
        ProtonConfig cfg = new ProtonConfig(builder);
        assertEquals(expected, cfg.basedir());
    }
Unit tests for search node.

@author geirst
config-model/src/test/java/com/yahoo/vespa/model/search/test/SearchNodeTest.java