Backport EE changes to the Karma Rake task

There's no harm in globbing for the ee/ directory, since this will
effectively be a noop in CE.

lib/tasks/karma.rake

@@ -2,7 +2,7 @@ unless Rails.env.production?
   namespace :karma do
     desc 'GitLab | Karma | Generate fixtures for JavaScript tests'
     RSpec::Core::RakeTask.new(:fixtures, [:pattern]) do |t, args|
-      args.with_defaults(pattern: 'spec/javascripts/fixtures/*.rb')
+      args.with_defaults(pattern: '{spec,ee/spec}/javascripts/fixtures/*.rb')
       ENV['NO_KNAPSACK'] = 'true'
       t.pattern = args[:pattern]
       t.rspec_opts = '--format documentation'