const graphs = [:bull, :chvatal, :house]
@testset verbose = true "Connectivity" begin
    for s in graphs
        gx = smallgraph(s)

        for g in testgraphs(gx)
            a = adjacency_matrix(g)
            x = connected_components(g)
            y = connected_components(SimpleWeightedGraph(a))
            @test x == y
        end
    end
end
