}

    private void testAppendOfInheritedPluginConfiguration(String test) throws Exception {
        PomTestWrapper pom = buildPom("plugin-config-append/" + test + "/subproject");
        String prefix = "build/plugins[1]/configuration/";
        assertEquals("PARENT-1", pom.getValue(prefix + "stringParams/stringParam[1]"));

            }
        }

        if (!graphResult.hasErrors()) {
            ProjectDependencyGraph projectDependencyGraph = graphResult.get();
            session.setProjects(projectDependencyGraph.getSortedProjects());
            session.setAllProjects(projectDependencyGraph.getAllProjects());
            session.setProjectDependencyGraph(projectDependencyGraph);
        }

    private final ConcurrentMap<String, ConcurrentMap<String, ConcurrentMap<String, Object>>>
            pluginContextsByProjectAndPluginKey = new ConcurrentHashMap<>();

    public void setProjects(List<MavenProject> projects) {
        if (!projects.isEmpty()) {
            MavenProject first = projects.get(0);
            this.currentProject = ThreadLocal.withInitial(() -> first);

        MavenSession session = new MavenSession(
                getContainer(), configuration.getRepositorySession(), request, new DefaultMavenExecutionResult());
        session.setProjects(projects);
        session.setAllProjects(session.getProjects());
        session.setSession(defaultSessionFactory.newSession(session));

        SessionScope sessionScope = getContainer().lookup(SessionScope.class);

        MavenSession session =
                new MavenSession(container, repositorySession, request, new DefaultMavenExecutionResult());
        session.setProjects(Collections.<MavenProject>emptyList());
        return session;
    }

    @Test
    public void testTwoExpressions() throws Exception {
        MavenProject project = createDefaultProject();

            project.setPluginArtifactRepositories(request.getPluginArtifactRepositories());
            projects.add(project);
        }

        session.setProjects(projects);
        session.setAllProjects(session.getProjects());

        return session;
    }

    protected void initRepoSession(ProjectBuildingRequest request) throws Exception {

        assertEquals(0, mavenProjects.size());
    }

    @Test
    void testBDependencies() {
        final List<MavenProject> bProjects = stub.getUpstreamProjects(ProjectDependencyGraphStub.B, false);
        assertEquals(1, bProjects.size());
        assertTrue(bProjects.contains(ProjectDependencyGraphStub.A));
    }

    @Test
    void testCDependencies() {

                defaultMavenExecutionResult);
        final ProjectDependencyGraphStub dependencyGraphStub = new ProjectDependencyGraphStub();
        session.setProjectDependencyGraph(dependencyGraphStub);
        session.setProjects(dependencyGraphStub.getSortedProjects());

        LifecycleModuleBuilder moduleBuilder = container.lookup(LifecycleModuleBuilder.class);
        set(moduleBuilder, "mojoExecutor", mojoExecutor);

        final ProjectDependencyGraphStub dependencyGraphStub = new ProjectDependencyGraphStub();
        session.setProjectDependencyGraph(dependencyGraphStub);
        session.setProjects(dependencyGraphStub.getSortedProjects());
        return session;
    }