private void button1_Click(object sender, EventArgs e)
{
string fileName = comboBox1.SelectedItem.ToString();
var simulationSystem = new SimulationSystem();
simulationSystem.LoadCase(fileName);
simulationSystem.BuildSimulationTable();
BuildGridView(simulationSystem.SimulationTable);
var measures = simulationSystem.CalculatePerformance();
ShowMeasures(measures);
string testingResults = TestingManager.Test(simulationSystem, Constants.FileNames.TestCase2);
MessageBox.Show(testingResults);
}