Update lib/NonlinearSolveQuasiNewton/test/core_tests.jl

Author: ChrisRackauckas

lib/NonlinearSolveQuasiNewton/test/core_tests.jl

@@ -185,7 +185,7 @@ end
 
     # Conditionally import Enzyme only if not on Julia prerelease
     include("test_utilities.jl")
-    if !is_julia_prerelease()
+    if isempty(VERSION.prerelease)
         using Enzyme
     end