fix test bracket

Author: axsk

test/univariate.jl

@@ -53,7 +53,7 @@ for X in ([0.0], [0.0,0.0], [0.0,0.5], [-0.5:0.1:0.5;])
         @test all(k5.density .>= 0.0)
         @test sum(k5.density)*step(k5.x) ≈ 1.0
 
-        k6 = kde(X,r;kernel=D, weights=ones(X)/length(X)))
+        k6 = kde(X,r;kernel=D, weights=ones(X)/length(X))
         @test_approx_eq k4.density k6.density
     end
 end