CC Madhya 1.260

tabe sanātana-gosāñira punar-āgamana
jyaiṣṭha-māse prabhu tāṅre kaila parīkṣaṇa
Synonyms: 
tabe — thereafter; sanātana-gosāñira — of Sanātana Gosvāmī; punaḥ-āgamana — again coming; jyaiṣṭha-māse — in the month of Jyaiṣṭha (May-June); prabhu — the Lord; tāṅre — him; kaila — did; parīkṣaṇa — examination.
Translation: 
Thereafter Sanātana Gosvāmī met the Lord again, and the Lord tested him in scorching heat during the month of Jyaiṣṭha.