Below is snipit of travel rule along with link to full guidelines:

For travelers who were in another state for less than 24 hours:

• • The traveler does not need a test prior to their departure from the other state, and does not need to quarantine upon arrival in New York State.
  • However, the traveler must fill out the traveler information form upon entry into New York State, and take a COVID diagnostic test 4 days after their arrival in New York.

NYS Travel Guidelines 11/2/20: https://www.governor.ny.gov/news/governor-cuomo-announces-new-guidelines-allowing-out-state-travelers-test-out-mandatory-14-day