[🐛 Bug]: Selenium WebDriver v4 Ruby select_by(:index) for a dropdown fails, which was fine in v3.142.7

[courtneyzhan]

What happened?

Select dropdown by index no longer works in Selenium WebDriver 4.0.0 Ruby (in 4.0.0beta and 4.0.0.rc as well).
The same test script has always worked fine in v3.

Select by text or value is fine.

How can we reproduce the issue?

driver.get "https://crossbrowsertesting.github.io/selenium_example_page.html"
 elem = Selenium::WebDriver::Support::Select.new(driver.find_element(:id, "dropdown"))
 elem.select_by(:index, 2)

Relevant log output

Failure/Error: elem.select_by(:index, 2)
 Selenium::WebDriver::Error::NoSuchElementError:
       cannot locate element with index: 2

Operating System

macOS Big Sur, Windows 10

Selenium version

4.0.0

What are the browser(s) and version(s) where you see this issue?

Chrome v94 (and v94)

What are the browser driver(s) and version(s) where you see this issue?

ChromeDriver 94.0.4606.61 (and v93)

Are you using Selenium Grid?

No

[titusfortner]

Yup, this was trying to get index using #dom_attribute instead of #property, which was wrong. Fix is in master, look for 4.0.3 to be released soon.

[github-actions]

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