Group similar specs in the same describe block.

example_1_robot_spec.rb

require 'rails_helper'

RSpec.describe Robot, 'Validations', type: :model do
  it { is_expected.to validate_presence_of(:name)  }
  it { is_expected.to validate_presence_of(:color) }
end

RSpec.describe Robot, 'Associations', type: :model do
  it { is_expected.to belong_to(:color)  }
  it { is_expected.to have_and_belong_to_many(:statuses)  }
end

RSpec.describe Robot, 'Class Methods', type: :model do
  # class methods specs go here...
end

RSpec.describe Robot, 'Instance Methods', type: :model do
  # instance methods specs go here...
end