Argument --remote-debugging-port can't be set via capabilities

[autotest-web]

We are unable to execute the test cases in the Firefox browser using the capabilities specified below. 'moz:firefoxOptions': { prefs: { 'browser.sessionstore.max_idle_time': 150000 } },

Error: Can't connect to WebDriver. Error: Failed to create session. Could not start a new session. Could not start a new session. Error while creating session with the driver service. Stopping driver service: Could not start a new session. Response code 400. Message: Argument --remote-debugging-port can't be set via capabilities Host info: host: 'selenium-firefox-node-744d9d94fd-9sz22', ip: '10.207.33.158' Build info: version: '4.16.1', revision: '9b4c83354e'

[whimboo]

@autotest-web What is the test that you are running here? Do you have any details? Is that trying to use WebDriver BiDi? If yes there is no need to set --remote-debugging-port manually, but it should be done by setting the webSocketUrl capability to true. Maybe you have a trace log as well?

[whimboo]

Closing as incomplete due to missing response from the reporter.