test: fix symbolic indexing interface tests

Author: AayushSabharwal

test/symbolic_indexing_interface.jl

@@ -179,21 +179,18 @@ end
     @test isequal(parameters(pdesys), [h])
 end
 
-# Issue#2767
-using ModelingToolkit
-using ModelingToolkit: t_nounits as t, D_nounits as D
-using SymbolicIndexingInterface
-
-@parameters p1[1:2]=[1.0, 2.0] p2[1:2]=[0.0, 0.0]
-@variables x(t) = 0
-
-@named sys = System(
-    [D(x) ~ sum(p1) * t + sum(p2)],
-    t;
-)
-prob = ODEProblem(complete(sys))
-get_dep = @test_nowarn getu(prob, 2p1)
-@test get_dep(prob) == [2.0, 4.0]
+@testset "Issue#2767" begin
+    @parameters p1[1:2]=[1.0, 2.0] p2[1:2]=[0.0, 0.0]
+    @variables x(t) = 0
+
+    @named sys = System(
+        [D(x) ~ sum(p1) * t + sum(p2)],
+        t;
+    )
+    prob = ODEProblem(complete(sys), [], (0.0, 1.0))
+    get_dep = @test_nowarn getu(prob, 2p1)
+    @test get_dep(prob) == [2.0, 4.0]
+end
 
 @testset "Observed functions with variables as `Symbol`s" begin
     @variables x(t) y(t) z(t)[1:2]