[Test]
        public void TestSave()
        {
            // Arrange
            var mainForm = new mainForm();
            var filePath = @"C:\Users\Hughes Portable Rig\source\repos\GraphicalProgrammingEnvironment\saved_user_input.txt";
            var content = "test content";
            mainForm.SingleCommandLine.Text = $"save {filePath} \"{content}\"";

            // Act
            mainForm.ExecuteCommand();

            // Assert
            Assert.IsTrue(File.Exists(filePath));
            Assert.AreEqual(content, File.ReadAllText(filePath));

            // Clean up
            File.Delete(filePath);
        }
    }

        [Test]
        public void TestSave()
        {
            // Arrange
            var mainForm = new mainForm();
            var filePath = @"C:\Users\Hughes Portable Rig\source\repos\GraphicalProgrammingEnvironment\saved_user_input.txt";
            var content = "test content";
            mainForm.SingleCommandLine.Text = $"save {filePath} \"{content}\"";

            // Act
            mainForm.ExecuteCommand();

            // Assert
            Assert.IsTrue(File.Exists(filePath));
            Assert.AreEqual(content, File.ReadAllText(filePath));

            // Clean up
            File.Delete(filePath);
        }
    }

 else if (CommandSplit[0].Equals("save"))
 {
     string path = @"C:\Users\Hughes Portable Rig\source\repos\GraphicalProgrammingEnvironment";
     string fileName = "saved_user_input.txt";

     try
     {
         // Combine the path and file name
         string filePath = Path.Combine(path, fileName);

         // Save the contents of SingleCommandLine to the specified file
         File.WriteAllText(filePath, SingleCommandLineSaved);

         ErrorHandlingWindow.Clear();
         SingleCommandLine.Clear();
         ErrorHandlingWindow.Text = $"** File '{fileName}' has been saved at '{filePath}' **";
     }
     catch (Exception ex)
     {
         ErrorHandlingWindow.Text = $"Error while saving: {ex.Message}";
     }
 }

 else if (CommandSplit[0].Equals("save"))
 {
     string path = @"C:\Users\Hughes Portable Rig\source\repos\GraphicalProgrammingEnvironment";
     string fileName = "saved_user_input.txt";

     try
     {
         // Combine the path and file name
         string filePath = Path.Combine(path, fileName);

         // Save the contents of SingleCommandLine to the specified file
         File.WriteAllText(filePath, SingleCommandLineSaved);

         ErrorHandlingWindow.Clear();
         SingleCommandLine.Clear();
         ErrorHandlingWindow.Text = $"** File '{fileName}' has been saved at '{filePath}' **";
     }
     catch (Exception ex)
     {
         ErrorHandlingWindow.Text = $"Error while saving: {ex.Message}";
     }
 }