@Test
    void testMd5Sum() throws IOException {
        File defFile = new File(DEF_NAME);
        CNode root = new DefParser("test", new FileReader(defFile)).getTree();
        assertEquals("ee37973499305fde315da46256e64b2e", root.defMd5);
    }
Unit tests for DefParser.

@author hmusum
@author gjoranv
configgen/src/test/java/com/yahoo/config/codegen/DefParserTest.java