Tests keep failing on production branch

ERROR["test_should_update_service_visit", #<Minitest::Reporters::Suite:0x000055f59ea54620 @name="ServiceVisitsControllerTest">, 221.72200154200073]
 test_should_update_service_visit#ServiceVisitsControllerTest (221.72s)
Minitest::UnexpectedError:         ArgumentError: invalid date
            app/models/service_visit.rb:181:in `strptime'
            app/models/service_visit.rb:181:in `check_short_date_format'
            app/controllers/service_visits_controller.rb:75:in `update'
            test/functional/service_visits_controller_test.rb:141:in `block in <class:ServiceVisitsControllerTest>'

ERROR["test_should_update_service_visit_with_sos_invoiced", #<Minitest::Reporters::Suite:0x000055f59cb58848 @name="ServiceVisitsControllerTest">, 221.7492899560002]
 test_should_update_service_visit_with_sos_invoiced#ServiceVisitsControllerTest (221.75s)
Minitest::UnexpectedError:         ArgumentError: invalid date
            app/models/service_visit.rb:181:in `strptime'
            app/models/service_visit.rb:181:in `check_short_date_format'
            app/controllers/service_visits_controller.rb:75:in `update'
            test/functional/service_visits_controller_test.rb:39:in `block in <class:ServiceVisitsControllerTest>'
Reload