increase test coverage

extend test coverage

tests/e2e/dialogs-extra.spec.js

@@ -0,0 +1,38 @@
+import { test, expect } from './fixtures.js'
+
+test.describe('Dialog helpers', () => {
+  test('se-prompt-dialog toggles title and close', async ({ page }) => {
+    await page.goto('/index.html')
+    await page.waitForFunction(() => Boolean(customElements.get('se-prompt-dialog')))
+
+    const result = await page.evaluate(() => {
+      const prompt = document.createElement('se-prompt-dialog')
+      document.body.append(prompt)
+      prompt.title = 'Hello'
+      prompt.close = true
+      prompt.close = false
+
+      return {
+        title: prompt.title,
+        hasCloseAttr: prompt.hasAttribute('close')
+      }
+    })
+
+    expect(result.title).toBe('Hello')
+    expect(result.hasCloseAttr).toBe(false)
+  })
+
+  test('seAlert creates alert dialog', async ({ page }) => {
+    await page.goto('/index.html')
+    await page.waitForFunction(() => typeof window.seAlert === 'function')
+
+    const created = await page.evaluate(() => {
+      const before = document.querySelectorAll('se-elix-alert-dialog').length
+      window.seAlert('Cover alert dialog')
+      const after = document.querySelectorAll('se-elix-alert-dialog').length
+      return after > before
+    })
+
+    expect(created).toBe(true)
+  })
+})