javax.jcr.query.InvalidQueryException: Table does not exist. when adding multiple nodetypes

@RunWith( CdiTestRunner.class )
@TestControl( startScopes = ApplicationScoped.class )
@FixMethodOrder( MethodSorters.NAME_ASCENDING )
public class CDITest {
    @Inject
    private Session session;

    private void regNodeType( Session repoSession, String typeName ) throws RepositoryException {
        NodeTypeManager mgr = repoSession.getWorkspace().getNodeTypeManager();

        // Create a template for the node type ...
        NodeTypeTemplate type = mgr.createNodeTypeTemplate();
        type.setName(typeName);
        type.setDeclaredSuperTypeNames(new String[] { CrConstants.JCR_NT_UNSTRUCTURED });
        type.setAbstract(false);
        type.setOrderableChildNodes(true);
        type.setMixin(false);
        type.setQueryable(true);
        mgr.registerNodeType(type, true);
    }

    private void fireQuery( Session repoSession, String typeName ) throws RepositoryException {
        Query query = repoSession.getWorkspace().getQueryManager().createQuery(
                "SELECT BASE.* FROM [" + typeName + "] AS BASE ", Query.JCR_SQL2);
        query.execute();
    }

    private Node saveNode( Session repoSession, String typeName ) throws RepositoryException {
        Node root = repoSession.getNode("/");
        Node x = root.addNode("xyz:XYZ", typeName);
        repoSession.save();
        return x;
    }

    private void regNs( Session repoSession ) throws RepositoryException {
        NamespaceRegistry reg = repoSession.getWorkspace().getNamespaceRegistry();
        reg.registerNamespace("xyz", "org://some");
    }

    @Test
    public void test000Schrott() throws RepositoryException {
        regNs(session);
        regNodeType(session, "xyz:pommes");
        fireQuery(session, "xyz:pommes");
        Node x = saveNode(session, "xyz:pommes");
        x.setProperty("some", "thing");
        regNodeType(session, "xyz:mayo");
        fireQuery(session, "xyz:mayo");
    }
}