@Test
    public void testFileImporting() throws ParseException {
        RankingExpression expression = new RankingExpression(new File("src/test/files/simple.expression"));
        assertEquals("simple: a + b", expression.toString());
    }
@author Simon Thoresen Hult
@author bratseth
searchlib/src/test/java/com/yahoo/searchlib/rankingexpression/RankingExpressionTestCase.java