public async Task TcpClientscansport()
        {
            var cfg = new TestSettings();
            var sut = new TcpClientPortScanner1();

            (await sut.IsPortOpen(SOLR_DEV, 8983)).Should().BeTrue();
            (await sut.IsPortOpen(SOLR_DEV, 1111)).Should().BeFalse();
        }
        public async Task TcpClientdetectsdeath()
        {
            var sut = new TcpClientPortScanner1();

            (await sut.IsPortOpen(SOLR_DEV, 8983)).Should().BeFalse();
        }