verify(mockResponse, never()).setHeader(anyString(), anyString());
        verify(mockResponse, never()).setStatus(any(int.class));
    }

    /**
     * Test case for the instance method doAuthentication.
     * It should just delegate to the static authenticate method.
     * @throws IOException
     */
    @Test
    public void testDoAuthentication() throws IOException {

            builder.setSnapshotPolicy(toPolicy(repo.getSnapshots()));
            builder.setReleasePolicy(toPolicy(repo.getReleases()));
            builder.setAuthentication(toAuthentication(repo.getAuthentication()));
            builder.setProxy(toProxy(repo.getProxy()));
            builder.setMirroredRepositories(toRepos(repo.getMirroredRepositories()));
            builder.setBlocked(repo.isBlocked());