don't run githubtarball scenarios in Travis

they easily fail with rate limit exceeded

Rakefile

@@ -9,7 +9,10 @@ CLEAN.include('pkg/', 'tmp/')
 CLOBBER.include('Gemfile.lock')
 
 RSpec::Core::RakeTask.new
-Cucumber::Rake::Task.new(:features)
+Cucumber::Rake::Task.new(:features) do |t|
+  # don't run githubtarball scenarios in Travis, they easily fail with rate limit exceeded
+  t.cucumber_opts = "--tags ~@github" if ENV['TRAVIS']=='true'
+end
 
 Rake::TestTask.new do |test|
   test.pattern = 'test/**/*_test.rb'

features/install/github_tarball.feature

@@ -2,6 +2,7 @@ Feature: cli/install/github_tarball
   Puppet librarian needs to install tarballed modules from github repositories
 
   @slow
+  @github
   Scenario: Installing a module from github tarballs
     Given a file named "Puppetfile" with:
     """