public void HasNonEmptySourceSetMethodWorks()
{
var project = new Project("test", new Module("testmod", new Suite(new TestFileSystemDirectory("module"))));
var set1 = project.GetSourceSet("cs");
project.HasNonEmptySourceSet("cs").Should().BeFalse();
project.HasNonEmptySourceSet("vb").Should().BeFalse();
set1.Add(new SuiteRelativePath("testfile"));
project.HasNonEmptySourceSet("cs").Should().BeTrue();
project.HasNonEmptySourceSet("vb").Should().BeFalse();
}