cond Amended Counterclaim will not prejudice Edwards and Cassell because discovery has not yet concluded and trial is not yet scheduled. See, e.g., Carib Ocean Shipping, Inc. v. Arnuu, 854 So.2d 234, 236-37 (Fla. 3d DCA 2003) (citing cases demonstrating lack of prejudice even where amendment is sought "shortly before tria