@Test
    void requireThatRemoveWorksAsExpected() {
        Headers headers = new Headers();
        headers.put("foo", List.of("bar", "baz"));
        assertEquals(List.of("bar", "baz"), headers.get("foo"));
        assertEquals(List.of("bar", "baz"), headers.remove("foo"));
        assertNull(headers.get("foo"));
        assertNull(headers.remove("foo"));
    }
@author Simon Thoresen Hult
@author Einar M R Rosenvinge
application/src/test/java/com/yahoo/application/container/handler/HeadersTestCase.java