assertNull(pathMappingHelper.getPathMappingList(sessionId));
        assertNull(pathMappingHelper.getPathMappingList(sessionId + "1"));

    }

    @Test
    public void test_replaceUrl() {
        final String sessionId = "test";
        final List<PathMapping> pathMappingList = new ArrayList<PathMapping>();
        final PathMapping pathMapping = new PathMapping();