public void TestSetImports()
{
var builder = new StepBuilder(parent: new ProcessBuilder(id: "p_1"), id: "123", name: "Start", description: "Start Step");
var scriptBuilder = new ScriptBuilder <object>(builder);
scriptBuilder.AddImportds("System.Net", "Newton.Json");
Assert.IsNotNull(scriptBuilder.Imports);
Assert.AreEqual(2, scriptBuilder.Imports.Count);
scriptBuilder.AddImportds("System.Linq");
Assert.AreEqual(3, scriptBuilder.Imports.Count);
}