import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mock;

public class DefaultSessionTest {

    @Test
    void testRootDirectoryWithNull() {
        RepositorySystemSession rss = new DefaultRepositorySystemSession(h -> false);
        DefaultMavenExecutionRequest mer = new DefaultMavenExecutionRequest();

        File file = new File(tempDir.resolve("file.txt").toString());
        if (!file.createNewFile()) {
            throw new IOException("Can't create " + file);
        }
    }

    @Test
    void testRootDirectoryWithNull() {
        context.setProjectDirectory(null);

        IllegalStateException e = assertThrows(
                IllegalStateException.class,