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ASSERT: have a server that lets you log in via oauth (ex. https://console.engint.openshift.com )
EXEC: launch connection wizard, choose openshift 3 type, provide server url and ensure "OAuth" is selected as authentication means
ASSERT: "Finish" is disabled
EXEC: hit the "retrieve" link and wait for the oauth dialog to appear
EXEC: close auth dialog (do NOT log in nor retrieve any token)
Result:
"Finish" is enabled, "Token" has no required marker