projects.add(project2);
        project1.getDependencies().add(createDependency(project2));

        projects = new ProjectSorter(projects).getSortedProjects();

        assertEquals(project2, projects.get(0));
        assertEquals(project1, projects.get(1));
    }

    @Test
    void testMatchingGroupIdsDifferentArtifactIds() throws Exception {

                new DefaultProjectDependencyGraph(Arrays.asList(aProject, bProject, cProject)),
                Arrays.asList(aProject, cProject));
        final List<MavenProject> sortedProjects = graph.getSortedProjects();
        assertEquals(aProject, sortedProjects.get(0));
        assertEquals(cProject, sortedProjects.get(1));

        assertTrue(graph.getDownstreamProjects(aProject, false).contains(cProject));
    }

            List<String> expectedProjectNames = selectedProjectsResult.projectNames;
            List<MavenProject> actualReactorProjects = result.get().getSortedProjects();
            List<MavenProject> expectedReactorProjects =
                    expectedProjectNames.stream().map(artifactIdProjectMap::get).collect(toList());

            @Override
            public List<MavenProject> getAllProjects() {
                return session.getAllProjects();
            }

            @Override
            public List<MavenProject> getSortedProjects() {
                return Collections.singletonList(session.getCurrentProject());
            }

            @Override

            MavenProject rootProject = session.getTopLevelProject();

            Map<MavenProject, List<MavenProject>> allProjects = new LinkedHashMap<>();
            dependencyGraph
                    .getSortedProjects()
                    .forEach(p -> allProjects.put(p, dependencyGraph.getUpstreamProjects(p, false)));

            BuildPlan plan = new BuildPlan(allProjects);
            for (TaskSegment taskSegment : taskSegments) {