Fix Pardiso.jl tests (#701)

Author: ChrisRackauckas

test/pardiso/pardiso.jl

@@ -12,7 +12,7 @@ lambda = 3
 n = 4
 e = ones(n)
 e2 = ones(n - 1)
-A2 = spdiagm(-1 => im * e2, 0 => lambda * e, 1 => -im * e2)
+A2 = spdiagm(-1 => 1.0 .+ im * e2, 0 => lambda * e, 1 => 1.0 .+ -im * e2)
 b2 = rand(n) + im * zeros(n)
 cache_kwargs = (; abstol = 1e-8, reltol = 1e-8, maxiter = 30)