@Test
    public void testGarbage() {
        Tuple2<HttpResponse, Integer> v = FeedHandler.doCheckProtocolVersion(GARBAGE);
        assertTrue(v.first instanceof ErrorHttpResponse);
        assertEquals(Integer.valueOf(-1), v.second);
    }
@author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
@since 5.7.0
vespaclient-container-plugin/src/test/java/com/yahoo/vespa/http/server/VersionsTestCase.java