fix up tests

Author: ChrisRackauckas

src/appleaccelerate.jl

@@ -11,7 +11,7 @@ to avoid allocations and does not require libblastrampoline.
 """
 struct AppleAccelerateLUFactorization <: AbstractFactorization end
 
-function is_new_accelerate_available()
+function appleaccelerate_isavailable()
     libacc_hdl = dlopen_e(libacc)
     if libacc_hdl == C_NULL
         return false

test/basictests.jl

@@ -213,6 +213,9 @@ end
                 test_interface(alg, prob1, prob2)
             end
         end
+        if LinearSolve.appleaccelerate_isavailable()
+            test_interface(AppleAccelerateLUFactorization(), prob1, prob2)
+        end
     end
 
     @testset "Generic Factorizations" begin