public void RootDirectoryIsSubdirectoryOfModuleRoot()
{
var projdir = new TestFileSystemDirectory("test");
var fs = new TestFileSystemDirectory(
"root", new TestFileSystemDirectory(
"src", new TestFileSystemDirectory(
"testmod", projdir)));
var module = new Module("testmod", new Suite(fs));
var project = new Project("test", module);
project.RootDirectory.Should().Be(projdir);
}