objectManager = Bootstrap::getObjectManager(); $this->block = $this->objectManager->get(LayoutInterface::class)->createBlock(ImportExport::class); } /** * @inheritdoc */ protected function tearDown(): void { $this->block = null; } /** * @return void */ public function testCreateBlock(): void { $this->assertInstanceOf(ImportExport::class, $this->block); } /** * @return void */ public function testFormExists(): void { $html = $this->block->toHtml(); $this->assertStringContainsString('

assertStringContainsString('block->toHtml(); $this->assertStringContainsString('assertStringContainsString('export_form.submit();', $html); } }