@Test
public void stripConnectionNomineesWithCsv() {

    HttpHeaders inHeaders = new DefaultHttpHeaders();
    inHeaders.add(CONNECTION, "foo,  bar");
    inHeaders.add("foo", "baz");
    inHeaders.add("bar", "qux");
    inHeaders.add("hello", "world");
    Http2Headers out = new DefaultHttp2Headers();
    HttpConversionUtil.toHttp2Headers(inHeaders, out);
    assertEquals(1, out.size());
    assertSame("world", out.get("hello"));
}