Perhaps the bundler prerelease is the reason we're running specs twice? Let's see.

.travis.yml

@@ -11,7 +11,6 @@ env:
   - DB=postgres BUILD_TYPE=other
   - DB=mysql BUILD_TYPE=other
 
-before_install: gem install bundler --pre
 bundler_args: "--without development production"
 before_script: "./config/ci/before-travis.sh"
 script: "bundle exec rake travis"

lib/tasks/ci.rake

@@ -7,7 +7,7 @@ namespace :ci do
       system("export DISPLAY=:99.0 && bundle exec rake cucumber")
       raise "Cucumber failed!" unless $?.exitstatus == 0
     else
-      ["rake spec:fixtures", "rake spec", "rake jasmine:ci"].each do |cmd|
+      ["rake generate_fixtures", "rake spec", "rake jasmine:ci"].each do |cmd|
         puts "Running #{cmd}..."
         system("export DISPLAY=:99.0 && bundle exec #{cmd}")
         raise "#{cmd} failed!" unless $?.exitstatus == 0

lib/tasks/rspec.rake

@@ -16,7 +16,7 @@ begin
   RSpec::Core::RakeTask.new(:spec => spec_prereq)
 
   desc "Run all specs that generate fixtures for rspec or jasmine"
-  RSpec::Core::RakeTask.new(:'spec:fixtures' => spec_prereq) do |t|
+  RSpec::Core::RakeTask.new(:generate_fixtures => spec_prereq) do |t|
     t.rspec_opts = ['--tag fixture']
   end