Install dependencies

1. While in same directory as the Gemfile...
2. Install bundler via CL: gem install bundler
3. Install dependencies with bundler via CL: bundle install

Execute Tests

1. All Tests: rspec spec/swapi_test_spec.rb
2. One Test: rspec spec/swapi_test_spec.rb:37 [replace 37 with appropriate line number]
3. All Tests: rake