Update test_choleskyQR.jl

Author: dlfivefifty

test/test_choleskyQR.jl

@@ -260,6 +260,7 @@ import LazyArrays: AbstractCachedMatrix, resizedata!
         x = axes(P,1)
         Q = OrthogonalPolynomial(1 .- x)
         Q̃ = Normalized(Jacobi(1,0))
-        @test diff(Q)[0.1,1:5] ≈ diff(Q̃)[0.1,1:5]
+        @test_skip diff(Q)[0.1,1:5] ≈ diff(Q̃)[0.1,1:5] # broken due to lazy array issues
+        @test [diff(Q)[0.1,k] for k=1:5] ≈ diff(Q̃)[0.1,1:5]
     end
 end