public override void DrawComponents(Panel panel)
        {
            _groups = _wideAreaNetworkService.GetNodesInOneMetropolitanNetwork();

            CountGroupsPositions(panel);

            base.DrawComponents(panel);
        }
        public void GetNodesInOneMetropolitanNetworkShouldReturnAllGroups()
        {
            // Arrange
            // Act
            var result = _wideAreaNetworkService.GetNodesInOneMetropolitanNetwork();

            // Assert
            Assert.That(result.Length, Is.EqualTo(_nodesCount));
        }