8230079: Update test document by changing "TIMEOUT" to "TIMEOUT_FACTOR" Reviewed-by: erikj Contributed-by: Wang Xue <wangxue@loongson.cn>

8230000: some httpclients testng tests run zero test Summary: two tests needed to declared their test methods public, the last one was a simple abstract framework for subclasses and needed its @test keyword removed. Reviewed-by: chegar, aefimov, dfuchs Contributed-by: Julia Boes <julia.boes@oracle.com>