use a bit less memory

Author: ChrisRackauckas

test/weak_convergence/weak_srockc2.jl

@@ -20,11 +20,12 @@ println("SROCKC2")
 @test abs(sim.𝒪est[:weak_final]-2) < 0.35
 #@test abs(sim.𝒪est[:weak_l2]-2) < 0.3
 #@test abs(sim.𝒪est[:weak_l∞]-2) < 0.3
+sim = nothing
 
 prob = prob_sde_linear
 
 println("SROCKC2")
-@time sim = test_convergence(dts,prob,SROCKC2(),save_everystep=false,trajectories=Int(1e7))
+@time sim = test_convergence(dts,prob,SROCKC2(),save_everystep=false,trajectories=Int(5e6))
 @show sim.𝒪est[:weak_final]
 @test abs(sim.𝒪est[:weak_final]-2) < 0.35
 #@test abs(sim.𝒪est[:weak_l2]-2) < 0.3