Add a spec for the user view
user
```ruby
require 'spec_helper'

describe 'users/show.html.erb' do

  before do
    allow(view).to receive(:signed_in?).and_return(true)
    allow(view).to receive(:current_user).and_return(stub_model(User, user_key: 'mjg'))
    assign(:user, stub_model(User, user_key: 'cam156', created_at: 5.days.ago, title: 'mrs'))
    assign(:followers, [])
    assign(:following, [])
    assign(:trophies, [])
    assign(:events, [])
  end

  it "should draw 3 tabs" do
    render
    page = Capybara::Node::Simple.new(rendered)
    expect(page).to have_selector("ul#myTab.nav.nav-tabs > li > a[href='#contributions']")
    expect(page).to have_selector("ul#myTab.nav.nav-tabs > li > a[href='#profile']")
    expect(page).to have_selector("ul#myTab.nav.nav-tabs > li > a[href='#activity_log']")
    expect(page).to have_selector(".tab-content > div#contributions.tab-pane")
    expect(page).to have_selector(".tab-content > div#profile.tab-pane")
    expect(page).to have_selector(".tab-content > div#activity_log.tab-pane")
  end
end
```
assistant