Mention we need long-term quarantine after fast-quarantine
Context
Contributes to team#518 (closed)
What's in this MR?
Add steps to the README to long-term quarantine after we fast-quarantined a test.
Edited by David Dieulivol
Contributes to team#518 (closed)
Add steps to the README to long-term quarantine after we fast-quarantined a test.