diff --git a/test/test_tree_1d_euler.jl b/test/test_tree_1d_euler.jl
index dc523586f89..31f285fa3a0 100644
--- a/test/test_tree_1d_euler.jl
+++ b/test/test_tree_1d_euler.jl
@@ -490,6 +490,28 @@ end
         @test (@allocated Trixi.rhs!(du_ode, u_ode, semi, t)) < 1000
     end
 end
+
+@trixi_testset "elixir_euler_convergence_pure_fvO2.jl" begin
+    @test_trixi_include(joinpath(EXAMPLES_DIR, "elixir_euler_convergence_pure_fvO2.jl"),
+                        l2=[
+                            0.00048190103584221393,
+                            0.0005306536705484938,
+                            0.0007902755183354382,
+                        ],
+                        linf=[
+                            0.0014512544822959939,
+                            0.0014178023249342697,
+                            0.002568866462516972,
+                        ])
+    # Ensure that we do not have excessive memory allocations
+    # (e.g., from type instabilities)
+    let
+        t = sol.t[end]
+        u_ode = sol.u[end]
+        du_ode = similar(u_ode)
+        @test (@allocated Trixi.rhs!(du_ode, u_ode, semi, t)) < 1000
+    end
+end
 end
 
 end # module
diff --git a/test/test_unit.jl b/test/test_unit.jl
index b82eb07772a..76a9acf89e3 100644
--- a/test/test_unit.jl
+++ b/test/test_unit.jl
@@ -1745,7 +1745,7 @@ end
     @test minmod(sl, sr) == 0.5
     @test monotonized_central(sl, sr) == 0.75
     @test superbee(sl, sr) == 1.0
-    @test isapprox(vanLeer_limiter(sl, sr), 2/3)
+    @test isapprox(vanLeer_limiter(sl, sr), 2 / 3)
 
     sl = -1.0
     sr = 0.0
@@ -1758,13 +1758,13 @@ end
     @test minmod(sl, sr) == -0.8
     @test monotonized_central(sl, sr) == -0.9
     @test superbee(sl, sr) == -1.0
-    @test isapprox(vanLeer_limiter(sl, sr), -8/9)
+    @test isapprox(vanLeer_limiter(sl, sr), -8 / 9)
 
     # Test symmetry
     @test minmod(sr, sl) == -0.8
     @test monotonized_central(sr, sl) == -0.9
     @test superbee(sr, sl) == -1.0
-    @test isapprox(vanLeer_limiter(sr, sl), -8/9)
+    @test isapprox(vanLeer_limiter(sr, sl), -8 / 9)
 
     sl = 1.0
     sr = 0.0
@@ -1773,7 +1773,6 @@ end
     @test superbee(sl, sr) == 0.0
     @test vanLeer_limiter(sl, sr) == 0.0
 end
-
 end
 
 end #module