It was narrated from Jabir bin Abdullah that the Messenger of Allah (ﷺ) said:
"Whoever dies leaving a will, he dies on the right path and Sunnah, and he dies with piety and witness, and he dies forgiven." (TR)
English reference (TR): Vol. 3, Book 22, Hadith 2701 (TR)
Arabic reference (TR): Book 22, Hadith 2805 (TR)