diff --git a/.gitignore b/.gitignore
index f3bb14b8..00e25b40 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ docs/build/
 /Manifest.toml
 dev/levy.jl
 reyk_local/
+.JuliaFormatter.toml
diff --git a/Project.toml b/Project.toml
index 6dd4e9e8..7f77a6a7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -34,6 +34,7 @@ julia = "1.4"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
 [targets]
-test = ["Test"]
+test = ["Test", "Random"]
diff --git a/test/MAM.jl b/test/MAM.jl
new file mode 100644
index 00000000..41dabb80
--- /dev/null
+++ b/test/MAM.jl
@@ -0,0 +1,12 @@
+@testset "OuMAM" begin
+    ou = StochSystem((u, p, t) -> -u, [], [1.0], 1.0)
+    x0 = -1
+    xT = 2.0
+    T = 10.0
+    N = 51
+    t = range(0, T, N)
+    inst_mam = min_action_method(ou, [x0], [xT], N, T, verbose = false, save_info = false)
+    inst_sol = ((xT - x0 * exp(-T)) * exp.(t) .+ (x0 * exp(T) - xT) * exp.(-t)) /
+               (exp(T) - exp(-T))
+    @test maximum(abs.(inst_mam' .- inst_sol)) < 0.1
+end
diff --git a/test/gMAM.jl b/test/gMAM.jl
index 9ae98a28..ddcdac4b 100644
--- a/test/gMAM.jl
+++ b/test/gMAM.jl
@@ -1,39 +1,40 @@
 using CriticalTransitions, Test
 
-function meier_stein(u, p, t) # out-of-place
-    x, y = u
-    dx = x - x^3 - 10 * x * y^2
-    dy = -(1 + x^2) * y
-    [dx, dy]
-end
-σ = 0.25
-sys = StochSystem(meier_stein, [], zeros(2), σ, idfunc, nothing, I(2), "WhiteGauss")
-
-# initial path: parabola
-xx = range(-1.0, 1.0, length = 30)
-yy = 0.3 .* (-xx .^ 2 .+ 1)
-init = Matrix([xx yy]')
-
-x_i = init[:,1]
-x_f = init[:,end]
-
-@testset "LBFGS" begin
-    gm = geometric_min_action_method(sys, x_i, x_f, maxiter = 10) # runtest
-    gm = geometric_min_action_method(sys, init, maxiter = 100)
-
-    path = gm[1][end]
-    action_val = gm[2][end]
-    @test all(isapprox.(path[2, :][(end - 5):end], 0, atol = 1e-3))
-    @test all(isapprox.(action_val, 0.3375, atol = 1e-3))
-end
-
-
-@testset "HeymannVandenEijnden" begin # broken
-    # method = "HeymannVandenEijnden"
-    # gm = geometric_min_action_method(sys, x_i, x_f, maxiter = 10, method=method) # runtest
-
-    # path = gm[1][end]
-    # action_val = gm[2][end]
-    # @test all(isapprox.(path[2, :][(end - 5):end], 0, atol = 1e-3))
-    # @test all(isapprox.(action_val, 0.3375, atol = 1e-3))
-end
+@testset "gMAM Meier Stein" begin
+    function meier_stein(u, p, t) # out-of-place
+        x, y = u
+        dx = x - x^3 - 10 * x * y^2
+        dy = -(1 + x^2) * y
+        [dx, dy]
+    end
+    σ = 0.25
+    sys = StochSystem(meier_stein, [], zeros(2), σ, idfunc, nothing, I(2), "WhiteGauss")
+
+    # initial path: parabola
+    xx = range(-1.0, 1.0, length = 30)
+    yy = 0.3 .* (-xx .^ 2 .+ 1)
+    init = Matrix([xx yy]')
+
+    x_i = init[:, 1]
+    x_f = init[:, end]
+
+    @testset "LBFGS" begin
+        gm = geometric_min_action_method(sys, x_i, x_f, maxiter = 10) # runtest
+        gm = geometric_min_action_method(sys, init, maxiter = 100)
+
+        path = gm[1][end]
+        action_val = gm[2][end]
+        @test all(isapprox.(path[2, :][(end - 5):end], 0, atol = 1e-3))
+        @test all(isapprox.(action_val, 0.3375, atol = 1e-3))
+    end
+
+    @testset "HeymannVandenEijnden" begin # broken
+        # method = "HeymannVandenEijnden"
+        # gm = geometric_min_action_method(sys, x_i, x_f, maxiter = 10, method=method)
+
+        # path = gm[1][end]
+        # action_val = gm[2][end]
+        # @test all(isapprox.(path[2, :][(end - 5):end], 0, atol = 1e-3))
+        # @test all(isapprox.(action_val, 0.3375, atol = 1e-3))
+    end # HeymannVandenEijnden
+end # gMAM Meier Stein
diff --git a/test/runtests.jl b/test/runtests.jl
index f017560c..ba2207f0 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,14 +1,17 @@
 using CriticalTransitions
 using Test
 
-@testset "OuMAM" begin
-    ou = StochSystem((u,p,t)->-u,[],1,1.0);
-    x0 = -1
-    xT = 2.
-    T = 10.
-    N = 51
-    t = range(0,T,N)
-    inst_mam = min_action_method(ou,[x0], [xT], N,T,showprogress=false);
-    inst_sol = ((xT - x0*exp(-T))*exp.(t) .+ (x0*exp(T) - xT)*exp.(-t))/(exp(T) - exp(-T));
-    @test maximum(abs.(inst_mam' .- inst_sol)) < 0.1
-end
\ No newline at end of file
+using Random
+const SEED = 0xd8e5d8df
+Random.seed!(SEED)
+
+files = [
+    "gMAM.jl",
+    "stochsystem.jl",
+    "MAM.jl"
+]
+
+for file in files
+    include(file)
+    printstyled(file * ":    OK\n"; color = :green)
+end