formatting

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: oxinabox

test/rulesets/Base/base.jl

@@ -14,8 +14,8 @@
             x::Float64
         end
 
-        test_frule(setfield!, MDemo(3.5)⊢MutableTangent{MDemo}(x=2.0), :x, 5.0)
-        test_frule(setfield!, MDemo(3.5)⊢MutableTangent{MDemo}(x=2.0), 1, 5.0)
+        test_frule(setfield!, MDemo(3.5) ⊢ MutableTangent{MDemo}(; x=2.0), :x, 5.0)
+        test_frule(setfield!, MDemo(3.5) ⊢ MutableTangent{MDemo}(; x=2.0), 1, 5.0)
     end
 
     @testset "Trig" begin