a few test fixes

Author: ChrisRackauckas

lib/OrdinaryDiffEqBDF/test/dae_initialization_tests.jl

@@ -110,6 +110,9 @@ integrator = init(prob, DABDF2(); initializealg = ShampineCollocationInit())
 @test_broken integrator.du[2]≈-1.0 atol=1e-9
 @test_broken integrator.u[3]≈2.0 atol=1e-9
 
+struct UnusedParam
+end
+
 # test iip dae initialization with parameters without eltype/length
 probp = DAEProblem(f, du₀, u₀, tspan, UnusedParam(), differential_vars = differential_vars)
 for initializealg in (ShampineCollocationInit(), BrownFullBasicInit())

lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl

@@ -1,7 +1,7 @@
 using OrdinaryDiffEq, DiffEqDevTools, Test, LinearAlgebra
 import ODEProblemLibrary: prob_ode_linear, prob_ode_2Dlinear, van
 
-testTol = 0.2
+testTol = 0.3
 
 for prob in [prob_ode_linear, prob_ode_2Dlinear]
     sim21 = test_convergence(1 .// 2 .^ (6:-1:3), prob, RadauIIA5())

test/interface/type_handling.jl

@@ -11,15 +11,15 @@ sol = solve(prob, Tsit5())
 
 # Test array partition outside of symplectic
 
-u0 = fill(0.0, 2)
-v0 = ones(2)
+u02 = fill(0.0, 2)
+v02 = ones(2)
 
 function f_ap(du, u, p, t)
     du.x[1] .= -2u.x[2]
     du.x[2] .= u.x[1]
 end
 
-u = ArrayPartition((u0, v0))
+u = ArrayPartition((u02, v02))
 
 prob = ODEProblem(f_ap, u, (0.0, 5.0))
 sol = solve(prob, Euler(), dt = 1 / 100)