fix test

Author: dkarrasch

test/composition.jl

@@ -157,22 +157,6 @@ using LinearMaps: LinearMapVector, LinearMapTuple
         @test P isa LinearMaps.CompositeMap{<:Any,<:LinearMapVector}
         @test P * ones(3) == (LowerTriangular(ones(3,3))^i) * ones(3)
     end
-    # test product of 2-arg FunctionMaps
-    N = 100
-    function plan()
-        y = zeros(N) # workspace
-        A = LinearMap{Float64}(x -> (y .= x; y), N)
-        return A, y
-    end
-    A, ya = plan()
-    B, yb = plan()
-    x = zeros(N)
-    C = @inferred A*B
-    @test C*x === ya
-    @test (@allocated C*x) == 0
-    mul!(deepcopy(ya), C, x)
-    y = deepcopy(ya)
-    @test (@allocated mul!(y, C, x)) == 0
 end
 
 # test product of 2-arg FunctionMaps