What is the test for judicial misconduct in a personal injury case?

unless the trial court exercised its discretion in an arbitrary, capricious, or patently absurd manner that resulted in a manifest miscarriage of justice.' [Citation.]" (People v. Hovarter (2008) 44 Cal.4th 983, 1004; see People v. Kipp (1998) 18 Cal.4th 349, 371 ["A court abuses its discretion when its ruling 'falls outside the bounds of reason'"].)