ch420/spec/models/supporter_spec.rb

require 'rails_helper'

describe Supporter do
  it { is_expected.to validate_presence_of(:first_name) }
  it { is_expected.to validate_presence_of(:last_name) }
  it { is_expected.to validate_presence_of(:street) }
  it { is_expected.to validate_presence_of(:zip) }
  it { is_expected.to validate_presence_of(:city) }
  it { is_expected.to validate_presence_of(:email) }
  it { is_expected.to validate_uniqueness_of(:email) }
  it { is_expected.to validate_presence_of(:support) }
  it { is_expected.to validate_presence_of(:age_category) }
end