Brand spec refactor
  Controller:
    create brand controller spec

  Factory:
    sku sequence now uses ternary expression
    create invalid_brand factory

  Feature:
    replace do-end block with {}
    remove rockets

  Model:
    remove 'should' syntax and replace with 'is_expected_to'
    remove comment

  Views:
    _form.html.erb_spec.rb: use build_stubbed instead of create
    _form.html.erb_spec.rb: enforce one expectation per example
    _form.html.erb_spec.rb: refactor out expectations within
      withing_form_for block into helper
    _table.html.erb_spec.rb: dry up render call
    _table.html.erb_spec.rb: enforce one expectation per example
    _table.html.erb_spec.rb: use build_stubbed instead of create
    edit.html.erb_sepc.rb: use build_stubbed instead of create
    edit.html.erb_spec.rb: refactor setup into a before(:each) block
    index.html.erb_spec.rb: enforce one expectation per example
    index.html.erb_spec.rb: remove double quotes with no interpolation
    new.html.erb_spec.rb: refactor out setup into before(:each) block