Chrome: 66.3353.0
Firefox: 52.6.0 ESR
NVDA 2017.4

# With NVDA running, visit https://developers.google.com/android/ota
# Arrow down to the 'ACKNOWLEDGE' button
# Notice that in Chrome, NVDA reads this as plain text
# Notice that in Firefox, NVDA reads this as a link
# Try to tab to the 'ACKNOWLEDGE' button
# Notice in Firefox and Chrome focus skips this button

Expected: <a> tags with either hrefs or events should have a role and a tabindex

Actual: Chrome does not give these a role or a tabindex