Merge pull request #8319 from rubygems/deivid-rodriguez/better-test-output

Don't print a bunch of blank lines when setting up dependencies

Author: deivid-rodriguez

bundler/spec/support/rubygems_ext.rb

@@ -150,8 +150,9 @@ def install_gems(gemfile, path = nil)
         ENV["BUNDLE_PATH__SYSTEM"] = "true"
       end
 
-      puts `#{Gem.ruby} #{File.expand_path("support/bundle.rb", Path.spec_dir)} install --quiet`
-      raise unless $?.success?
+      # We don't use `Open3` here because it does not work on JRuby + Windows
+      output = `#{Gem.ruby} #{File.expand_path("support/bundle.rb", Path.spec_dir)} install`
+      raise output unless $?.success?
     ensure
       if path
         ENV["BUNDLE_PATH"] = old_path

doc/rubygems/CONTRIBUTING.md

@@ -70,21 +70,19 @@ And to run an individual test method named `test_default` within a test file, yo
 
 ### Running bundler tests
 
-Everything needs to be run from the `bundler/` subfolder.
-
 To setup bundler tests:
 
     bin/rake spec:parallel_deps
 
-To run the entire bundler test suite in parallel (it takes a while):
+To run the entire bundler test suite in parallel (it takes a while), run the following from the `bundler/` subfolder:
 
     bin/parallel_rspec
 
 There are some realworld higher level specs run in CI, but not run by `bin/parallel_rspec`. You can run those with:
 
     bin/rake spec:realworld
 
-To run an individual test file location for example in `spec/install/gems/standalone_spec.rb` you can use:
+To run an individual test file location for example in `spec/install/gems/standalone_spec.rb` you can use the following from the `bundler/` subfolder:
 
     bin/rspec spec/install/gems/standalone_spec.rb