Update test/chainrules.jl

add endline

Co-authored-by: Mosè Giordano <[email protected]>

Author: SBuercklin

test/chainrules.jl

@@ -49,4 +49,4 @@ end
         @test Ω == x*y*z
         @test pb(3.0) == (NoTangent(), 3.0*y*z, NoTangent(), NoTangent())
     end
-end
+end