flaky test: test_that_update_works_with_failed_realizations

[eivindjahren]

Failure seems to happen on mac

Failed job here: https://github.com/equinor/ert/actions/runs/7758654671/job/21161073397

log includes:

job poly_eval failed with: 'Process exited with status code 1'
	stderr file: 'None',
	its contents:
Not written by:poly_eval

did not receive a valid HTTP response

A similar failure happens here: https://github.com/equinor/ert/actions/runs/7758028506/job/21158986032

    @staticmethod
    def checkHaveSufficientRealizations(
        num_successful_realizations: int, minimum_realizations: int
    ) -> None:
        if num_successful_realizations == 0:
>           raise ErtRunError("Experiment failed! All realizations failed!")
E           ert.cli.main.ErtCliError: Experiment failed! All realizations failed!
E           Exception occurred during Task-3431
E           did not receive a valid HTTP response

[oyvindeide]

Related to: #7531

[xjules]

Solved by https://github.com/equinor/ert/pull/7562