@Test
    void testRemove() {
        HttpRequest orig = b.put("delta", "echo").createDirectRequest();

        HttpRequest child = new HttpRequest.Builder(orig).removeProperty("delta").createDirectRequest();
        assertFalse(child.propertyMap().containsKey("delta"));
    }
API check for HttpRequest.Builder.

@author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
container-core/src/test/java/com/yahoo/container/jdisc/RequestBuilderTestCase.java