Railsのテストスイートの不具合

###Rails4.2でテストスイートが実行されない
bundle exec rake testを実行するもテストが通常通りに遂行されず
ログのみを返して終了するので教えていただけますでしょうか。
環境はcloud9、heroku、bitbucketを使用してます。
rails-tutorialで内容通りにコーディングしているつもりですが
どうもうまくいきません。

###テスト実行後のログ

RubyDep: WARNING: Your Ruby is outdated/buggy.
RubyDep: WARNING: Your Ruby is: 2.3.0 (buggy). Recommendation: upgrade to 2.3.1.
RubyDep: WARNING: (To disable warnings, see:http://github.com/e2/ruby_dep/wiki/Disabling-warnings )
rake aborted!
test_email_addresses_should_be_unique is already defined in UserTest
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-4.2.2/lib/active_support/testing/declarative.rb:14:in `test'
/home/ubuntu/workspace/sample_app/test/models/user_test.rb:68:in `<class:UserTest>'
/home/ubuntu/workspace/sample_app/test/models/user_test.rb:3:in `<top (required)>'
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-4.2.2/lib/active_support/dependencies.rb:274:in `require'
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-4.2.2/lib/active_support/dependencies.rb:274:in `block in require'
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-4.2.2/lib/active_support/dependencies.rb:240:in `load_dependency'
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-4.2.2/lib/active_support/dependencies.rb:274:in `require'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/sub_test_task.rb:114:in `block (3 levels) in define'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/sub_test_task.rb:114:in `each'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/sub_test_task.rb:114:in `block (2 levels) in define'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/sub_test_task.rb:113:in `each'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/sub_test_task.rb:113:in `block in define'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/sub_test_task.rb:20:in `invoke_rake_task'
/usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/test_unit/testing.rake:8:in `block in <top (required)>'
/usr/local/rvm/gems/ruby-2.3.0/gems/rake-11.3.0/exe/rake:27:in `<top (required)>'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/cli/exec.rb:74:in `load'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/cli/exec.rb:74:in `kernel_load'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/cli/exec.rb:27:in `run'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/cli.rb:332:in `exec'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/vendor/thor/lib/thor.rb:359:in `dispatch'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/cli.rb:20:in `dispatch'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/vendor/thor/lib/thor/base.rb:440:in `start'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/cli.rb:11:in `start'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/exe/bundle:34:in `block in <top (required)>'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/lib/bundler/friendly_errors.rb:100:in `with_friendly_errors'
/usr/local/rvm/gems/ruby-2.3.0/gems/bundler-1.13.3/exe/bundle:26:in `<top (required)>'
/usr/local/rvm/gems/ruby-2.3.0/bin/bundle:23:in `load'
/usr/local/rvm/gems/ruby-2.3.0/bin/bundle:23:in `<main>'
/usr/local/rvm/gems/ruby-2.3.0/bin/ruby_executable_hooks:15:in `eval'
/usr/local/rvm/gems/ruby-2.3.0/bin/ruby_executable_hooks:15:in `<main>'
Tasks: TOP => test:run
(See full trace by running task with --trace)

###ログに記載されているuser_test.rbのファイルです

require 'test_helper'

class UserTest < ActiveSupport::TestCase

  def setup
    @user = User.new(name: "Example User", email: "user@example.com",  password: "foobar", password_confirmation: "foobar")
  end

  test "should be valid" do
    assert @user.valid?
  end

  test "name should be present" do
    @user.name = ""
    assert_not @user.valid?
  end

  test "email should be present" do
    @user.email = "     "
    assert_not @user.valid?
  end

  test "name should not be too long" do
    @user.name = "a" * 51
    assert_not @user.valid?
  end

  test "email should not be too long" do
    @user.email = "a" * 244 + "@example.com"
    assert_not @user.valid?
  end

  test "email validation should accept valid addresses" do
    valid_addresses = %w[user@example.com USER@foo.COM A_US-ER@foo.bar.org
                         first.last@foo.jp alice+bob@baz.cn]
    valid_addresses.each do |valid_address|
      @user.email = valid_address
      assert @user.valid?, "#{valid_address.inspect} should be valid"
    end
  end

  test "email validation should reject invalid addresses" do
    invalid_addresses = %w[user@example,com user_at_foo.org user.name@example.
                           foo@bar_baz.com foo@bar+baz.com foo@bar..com]
    invalid_addresses.each do |invalid_address|
      @user.email = invalid_address
      assert_not @user.valid?, "#{invalid_address.inspect} should be invalid"
    end
  end

  test "email addresses should be unique" do
    duplicate_user = @user.dup
    duplicate_user.email = @user.email.upcase
    @user.save
    assert_not duplicate_user.valid?
  end

  test "password should be present (nonblank)" do
    @user.password = @user.password_confirmation = " " * 6
    assert_not @user.valid?
  end

  test "password should have a minimum length" do
    @user.password = @user.password_confirmation = "a" * 5
    assert_not @user.valid?
  end

  test "email addresses should be unique" do
    duplicate_user = @user.dup
    duplicate_user.email = @user.email.upcase
    @user.save
    assert_not duplicate_user.valid?
  end

  test "email addresses should be saved as lower-case" do
    mixed_case_email = "Foo@ExAMPle.CoM"
    @user.email = mixed_case_email
    @user.save
    assert_equal mixed_case_email.downcase, @user.reload.email
  end

  test "password should have a minimum length" do
    @user.password = @user.password_confirmation = "a" * 5
    assert_not @user.valid?
  end
end

###試したこと
とりあえずワーニングの処理としてプロセスキルと
sass-railsのバージョンを5.0.6にアップデートするも
結果かわらずでした

行動規範の内容に同意します

回答1件

ベストアンサー

エラーメッセージが以下の通りで

test_email_addresses_should_be_unique is already defined in UserTest
/usr/local/rvm/gems/ruby-2.3.0/gems/activesupport-4.2.2/lib/active_support/testing/declarative.rb:14:in `test'
/home/ubuntu/workspace/sample_app/test/models/user_test.rb:68:in `<class:UserTest>'

プログラムが以下のようになっています。

ruby
1#
2  51  test "email addresses should be unique" do
3  52    duplicate_user = @user.dup
4  53    duplicate_user.email = @user.email.upcase
5  54    @user.save
6  55    assert_not duplicate_user.valid?
7  56  end
8
9≪省略≫
10
11  68  test "email addresses should be unique" do
12  69    duplicate_user = @user.dup
13  70    duplicate_user.email = @user.email.upcase
14  71    @user.save
15  72    assert_not duplicate_user.valid?
16  73  end