Here's the article that mentions Scarfo and Salvie getting in a fight. Doesn't say too much. Just one sentence.

http://articles.philly.com/1987-04-11/ne...ta-angelo-bruno

Quoting it: "Two weeks before Testa was found shot to death, according to word that reached authorities, the two men had argued and Scarfo had thrown Testa out of his Atlantic City apartment."