function nestedTables() { $this->renderers->add(new PrimitiveRenderer()); $this->renderers->add($this->tableRenderer); $tableInTable = new ArrayTable([['table' => new ArrayTable([['one' => 'uno', 'two' => 'dos']])]]); $this->tableRenderer->render($tableInTable); $this->tableRenderer->headElements($tableInTable); $this->assert->pass(); }