fix another test

Author: shashi

test/nf.jl

@@ -3,7 +3,6 @@ using SymbolicUtils: polynormalize
 @testset "polyform" begin
     @syms a b c d
     @test polynormalize(a * (b + -1 * c) + -1 * (b * a + -1 * c * a)) == 0
-    @eqtest polynormalize(sin((a+b)^2)^2) == sin(a^2+b^2+2*a*b)^2
-    # fixme: can this be made faster?
+    @eqtest simplify(polynormalize(sin((a+b)^2)^2)) == simplify(sin(a^2+2*(b*a)+b^2)^2)
     @test simplify(polynormalize(sin((a+b)^2)^2 + cos((a+b)^2)^2)) == 1
 end