This PR changes the e2e test to target sandbox machines. It's not completely clear yet how this will affect browserstack tests' flakiness (RTT between the VM and the M-Lab server might increase a lot) but this should prevent alerts firing in staging due to lower-than-usual test volume whenever the daily e2e tests fail for a day or two in a row.
This PR changes the e2e test to target sandbox machines. It's not completely clear yet how this will affect browserstack tests' flakiness (RTT between the VM and the M-Lab server might increase a lot) but this should prevent alerts firing in staging due to lower-than-usual test volume whenever the daily e2e tests fail for a day or two in a row.
This change is