test/TestBufferedResourceLoader: remove useless EventLoop::LoopNonBlock() call
test/TestBufferedResourceLoader: remove useless EventLoop::LoopNonBlock() call

CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy