Combine tests on the connection closing
Do not nest verifications
Specify which DSN to use in mocks
Ensure that the URI generated by the lookup is used as the DSN
Prefer injectable to abuse of onInstace
Add test to check that RavenThread can't append more logs
Remove warnings due to double cast of 'any'
Rewrite the error count check system
Add test to ensure that errors are logged when raven fails
Add test to ensure that ravenFactory exceptions do not propagate