// Check feed source.
$this->drupalGet('aggregator/sources/' . $feed1->id());
- $this->assertResponse(404, 'Deleted feed source does not exists.');
+ $this->assertResponse(404, 'Deleted feed source does not exist.');
// Check database for feed.
$result = db_query("SELECT COUNT(*) FROM {aggregator_feed} WHERE title = :title AND url = :url", [':title' => $feed1->label(), ':url' => $feed1->getUrl()])->fetchField();