Fix test dup

Author: BenChung

test/symbolic_events.jl

@@ -867,27 +867,6 @@ end
     @test sign.(cos.(3 * (required_crossings_c2 .+ 1e-6))) == sign.(last.(cr2))
 end
 
-@testset "Discrete variable timeseries" begin
-    @variables x(t)
-    @parameters a(t) b(t) c(t)
-    cb1 = [x ~ 1.0] => [a ~ -a]
-    function save_affect!(integ, u, p, ctx)
-        integ.ps[p.b] = 5.0
-    end
-    cb2 = [x ~ 0.5] => (save_affect!, [], [b], [b], nothing)
-    cb3 = 1.0 => [c ~ t]
-
-    @mtkbuild sys = ODESystem(D(x) ~ cos(t), t, [x], [a, b, c];
-        continuous_events = [cb1, cb2], discrete_events = [cb3])
-    prob = ODEProblem(sys, [x => 1.0], (0.0, 2pi), [a => 1.0, b => 2.0, c => 0.0])
-    @test sort(canonicalize(Discrete(), prob.p)[1]) == [0.0, 1.0, 2.0]
-    sol = solve(prob, Tsit5())
-
-    @test sol[a] == [-1.0]
-    @test sol[b] == [5.0, 5.0]
-    @test sol[c] == [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0]
-end
-
 @testset "Discrete event reinitialization (#3142)" begin
     @connector LiquidPort begin
         p(t)::Float64, [description = "Set pressure in bar",