final List<Pattern> patterns = urlFilterService.getExcludeUrlPatternList(sessionId);
        assertEquals(0, patterns.size());
    }

    public void test_delete_multipleSessions() {
        final String sessionId1 = "session7";
        final String sessionId2 = "session8";

        urlFilterService.addIncludeUrlFilter(sessionId1, "http://example.com/.*");