Parentheses around multi-line `let` or `let!` block name

[ydakuka]

There is no information which style is preferred.

let :user do
  build(:user, profile: profile).tap do |user|
    user.save validate: false
  end
end

or

let(:user) do
  build(:user, profile: profile).tap do |user|
    user.save validate: false
  end
end

[pirj]

Would you please harvest the real-world-rspec repo to see if one style prevails?