private ProjectState addProject(BuildState owner, DefaultBuildProjectRegistry projectRegistry, DefaultProjectDescriptor descriptor) {
        Path projectPath = descriptor.path();
        Path identityPath = owner.calculateIdentityPathForProject(projectPath);
        String name = descriptor.getName();
        ProjectComponentIdentifier projectIdentifier = new DefaultProjectComponentIdentifier(owner.getBuildIdentifier(), identityPath, projectPath, name);

            return Path.ROOT;
        }

        @Override
        public boolean isImplicitBuild() {
            return false;
        }

        @Override
        public Path calculateIdentityPathForProject(Path projectPath) {
            return projectPath;
        }

        @Override
        public StartParameterInternal getStartParameter() {
            throw new UnsupportedOperationException();

        def build = Stub(BuildState)
        build.loadedSettings >> settings
        build.buildIdentifier >> DefaultBuildIdentifier.ROOT
        build.identityPath >> Path.ROOT
        build.calculateIdentityPathForProject(_) >> { Path path -> path }
        def services = new DefaultServiceRegistry()
        services.add(projectFactory)
        services.add(TestUtil.stateTransitionControllerFactory())