drupalCreateUser(['administer site configuration']); $this->drupalLogin($admin_user); $this->clearCacheBlock = $this->placeBlock('system_clear_cache_block', [ 'label' => 'Clear cache block', ]); } /** * Tests block behavior and access based on permissions. */ public function testCacheClearBlock(): void { $this->drupalGet(''); $this->assertSession()->pageTextContains('Clear cache block'); $page = $this->getSession()->getPage(); $page->pressButton('Clear all caches'); $this->assertSession()->statusMessageContains('Caches cleared.'); // Confirm that access is not allowed for non-authorized users. $this->drupalLogout(); $this->drupalGet(''); $this->assertSession()->pageTextNotContains('Clear cache block'); } }