rails test を実行したがエラーが発生する

Railsチュートリアル　3章3.3.1最初のテストにて

rails test を実行するとエラーが発生します。

原因または、解決方法をご存知の方はいらっしゃいませんか？

また、このようなエラーが発生したした時どの行を重視して見れば素早い解決に繋がるかを教えていただけたら幸いです。

エラー内容

Ruby
1Running via Spring preloader in process 10391
2Traceback (most recent call last):
3        29: from -e:1:in `<main>'
4        28: from /home/ec2-user/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
5        27: from /home/ec2-user/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
6        26: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:286:in `load'
7        25: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:258:in `load_dependency'
8        24: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:286:in `block in load'
9        23: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:286:in `load'
10        22: from /home/ec2-user/environment/sample_app/bin/rails:9:in `<top (required)>'
11        21: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in `require'
12        20: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:258:in `load_dependency'
13        19: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in `block in require'
14        18: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in `require'
15        17: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/commands.rb:16:in `<top (required)>'
16        16: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/command.rb:44:in `invoke'
17        15: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/command/base.rb:63:in `perform'
18        14: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
19        13: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
20        12: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
21        11: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/commands/test/test_command.rb:38:in `perform'
22        10: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/test_unit/runner.rb:39:in `run'
23         9: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/test_unit/runner.rb:50:in `load_tests'
24         8: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/test_unit/runner.rb:50:in `each'
25         7: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/railties-5.1.6/lib/rails/test_unit/runner.rb:50:in `block in load_tests'
26         6: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in `require'
27         5: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:258:in `load_dependency'
28         4: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in `block in require'
29         3: from /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/dependencies.rb:292:in `require'
30         2: from /home/ec2-user/environment/sample_app/test/controllers/static_pages_controller_test.rb:3:in `<top (required)>'
31         1: from /home/ec2-user/environment/sample_app/test/controllers/static_pages_controller_test.rb:14:in `<class:StaticPagesControllerTest>'
32/home/ec2-user/.rvm/gems/ruby-2.6.3/gems/activesupport-5.1.6/lib/active_support/testing/declarative.rb:14:in `test': test_should_get_home is already defined in StaticPagesControllerTest (RuntimeError)