'search_api_autocomplete_suggestion',
'#label' => 'Label',
'#note' => '(Note & advice)',
'#results_count' => 10,
'#suggestion_prefix' => 'foo',
'#suggestion_suffix' => 'baz',
'#user_input' => 'bar',
];
$text = \Drupal::getContainer()->get('renderer')
->renderInIsolation($build);
$this->assertStringContainsString(' (Note & advice)', $text);
$this->assertStringContainsString(' Label', $text);
$expected = 'foo'
. 'bar'
. 'baz';
$this->assertStringContainsString($expected, $text);
$this->assertStringContainsString(' 10', $text);
$this->assertStringNotContainsString('{', $text);
$this->assertStringNotContainsString('}', $text);
}
}