diff --git a/src/gradings.jl b/src/gradings.jl
index 1f20d6b..8f34efa 100644
--- a/src/gradings.jl
+++ b/src/gradings.jl
@@ -6,7 +6,8 @@ Roots.Root(e::MatrixGroups.ElementaryMatrix{N}) where {N} =
 function Roots.Root(s::MatrixGroups.ElementarySymplectic{N}) where {N}
     if s.symbol === :A
         return Roots.𝕖(N ÷ 2, s.i) - Roots.𝕖(N ÷ 2, s.j)
-    else#if s.symbol === :B
+    else
+        @assert s.symbol === :B
         n = N ÷ 2
         i, j = ifelse(s.i <= n, s.i, s.i - n), ifelse(s.j <= n, s.j, s.j - n)
         return (-1)^(s.i > s.j) * (Roots.𝕖(n, i) + Roots.𝕖(n, j))
diff --git a/test/1703.09680.jl b/test/1703.09680.jl
index 074d263..edf0306 100644
--- a/test/1703.09680.jl
+++ b/test/1703.09680.jl
@@ -79,15 +79,15 @@ end
         @test λ > 1
 
         m = PropertyT.sos_problem_dual(elt, unit)
-        PropertyT.solve(m, scs_optimizer(
-            eps=1e-10,
+        PropertyT.solve(m, cosmo_optimizer(
+            eps=1e-6,
             max_iters=5_000,
             accel=50,
             alpha=1.9,
         ))
 
         @test JuMP.termination_status(m) in (JuMP.ALMOST_OPTIMAL, JuMP.OPTIMAL)
-        @test JuMP.objective_value(m) ≈ 1.5 atol = 1e-3
+        @test JuMP.objective_value(m) ≈ 1.5 atol = 1e-2
     end
 
     @testset "SAut(F₂)" begin
diff --git a/test/graded_adj.jl b/test/graded_adj.jl
index 2c20506..bf5a804 100644
--- a/test/graded_adj.jl
+++ b/test/graded_adj.jl
@@ -85,7 +85,7 @@
             Δ, Δs
         end
 
-        @testset "Adj correctness: genus=$genus" begin
+        @testset "Adj numerics for genus=$genus" begin
 
             all_subtypes = (
                 :A₁, :C₁, Symbol("A₁×A₁"), Symbol("C₁×C₁"), Symbol("A₁×C₁"), :A₂, :C₂