dev/core#1400 - Failing test showing that My Cases users can't view their own closed cases

[demeritcowboy]

Overview

This will fail right now. It demonstrates part of the problem #19666 is trying to solve.

[civibot]

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[demeritcowboy]

Jenkins test this please

[demeritcowboy]

This failed yesterday before #19666:

https://test.civicrm.org/job/CiviCRM-Core-PR/39449/testReport/junit/(root)/CRM_Case_BAO_CaseTest/testCanViewClosedCaseAsNonAdmin/

CRM_Core_Exception_PrematureExitException: civiExit called

/home/jenkins/bknix-dfl/build/core-19674-7ek2c/web/sites/all/modules/civicrm/CRM/Utils/System.php:1437
/home/jenkins/bknix-dfl/build/core-19674-7ek2c/web/sites/all/modules/civicrm/CRM/Utils/System.php:518
/home/jenkins/bknix-dfl/build/core-19674-7ek2c/web/sites/all/modules/civicrm/CRM/Core/Error.php:921
/home/jenkins/bknix-dfl/build/core-19674-7ek2c/web/sites/all/modules/civicrm/CRM/Case/Page/Tab.php:56
/home/jenkins/bknix-dfl/build/core-19674-7ek2c/web/sites/all/modules/civicrm/tests/phpunit/CRM/Case/BAO/CaseTest.php:1197

And it passes now after: https://test.civicrm.org/job/CiviCRM-Core-PR/39466/