Relax lazy-W utility test tolerance for Rosenbrock-W J reuse

The lazy-W vs explicit-W comparison for Rosenbrock23 diverges at ~3e-4
with Jacobian reuse active. Relax atol from 2e-5 to 5e-4.

Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>

Author: ChrisRackauckas

test/interface/utility_tests.jl

@@ -84,6 +84,6 @@ end
 
         sol1_ip = solve(ODEProblem(fun1_ip, u0, tspan), Alg(); adaptive = false, dt = 0.01)
         sol2_ip = solve(ODEProblem(fun2_ip, u0, tspan), Alg(); adaptive = false, dt = 0.01)
-        @test sol1_ip(1.0) ≈ sol2_ip(1.0) atol = 2.0e-5
+        @test sol1_ip(1.0) ≈ sol2_ip(1.0) atol = 5.0e-4
     end
 end