The nightly clickall runbot fail due to a crash of the underlying chrome browser used to run the test suite. The problem is related to the resources the browser is using. We leverage the problem by starting one dedicated browser per app. closes odoo/odoo#39190 X-original-commit: 228e57d980839bd2b4e9123bf26f8a64de2ae6ab Signed-off-by: Xavier Dollé (xdo) <xdo@odoo.com>