InputRichTextHiddenTester.runInputRichTextHiddenTest intermittent failure on Liferay 7.3

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: portal-4.1.0
• Fix Version/s: None
• Component/s: Liferay Faces Portal / Demos / Tests
• Labels: None

Problem Background

When the Selenium test is run, it has an intermittent failure. But when run manually from the following URL, it works fine:
http://localhost:8080/web/guest/portal-showcase/-/portal-tag/portal/inputrichtext/hidden

Steps to Reproduce:

1. Run the InputRichTextHiddenTester.runInputRichTextHiddenTest

mvn -Dintegration.browser.headless=false verify -P selenium-portal-showcase -Dit.test=\*InputRich\*Test\*

Expected Results

All tests pass

Actual Results

*** Element info: {Using=xpath, value=//div[contains(@id,':comments')]//iframe}
[...]
Tests in error:
  InputRichTextHiddenTester.runInputRichTextHiddenTest:26->InputRichTextTester.runInputRichTextTest:105->InputRichTextTester.runInputRichTextTest:160 » NoSuchElement