diff --git a/.travis.yml b/.travis.yml
index 09b649ad..d80b437c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,3 +25,6 @@ env:
   global:
   - secure: bt5nglPTdsc0N5fB1dOJz2WbM81dGpDuVD8PnhEsxgUfoo6xavhU4+pNrUADlSUqQ1aJrdU+MKW4x+JZ2ZnJS8vOpNzRymuMZSbFaljK4pgFGiKFgBdMKxVikvoYcxKCjLAl7NJZ11W6hUw+JtJScClDZwrJJAQB6I7Isp/LsdM=
   - secure: Ym8nx7nbfGYGo47my92M+deJykaiMkdZdb615EO51liv/xy/0aQ919Jpfieugc9d3zVnm+zFGPbpv4YzRpsik6OlVBNa4lP+BnQ27ptf5YcLWD8Hksi7845WFLecXMoaTCoYer/TvYZsIWJb2nSDMH9qbfZhnd1YZKuvUpK0rEU=
+  matrix:
+  - TEST_SUITE=test
+  - TEST_SUITE=cucumber
diff --git a/features/support/env.rb b/features/support/env.rb
index 2f5f5e5f..996c79ba 100644
--- a/features/support/env.rb
+++ b/features/support/env.rb
@@ -1,11 +1,12 @@
 require 'fileutils'
+require 'posix-spawn'
 require 'rr'
 require 'test/unit'
 require 'time'
 
 JEKYLL_SOURCE_DIR = File.dirname(File.dirname(File.dirname(__FILE__)))
 TEST_DIR    = File.expand_path(File.join('..', '..', 'tmp', 'jekyll'), File.dirname(__FILE__))
-JEKYLL_PATH = File.join(File.dirname(__FILE__), '..', '..', 'bin', 'jekyll')
+JEKYLL_PATH = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'bin', 'jekyll'))
 JEKYLL_COMMAND_OUTPUT_FILE = File.join(File.dirname(TEST_DIR), 'jekyll_output.txt')
 
 def source_dir(*files)
@@ -17,11 +18,12 @@ def jekyll_output_file
 end
 
 def jekyll_run_output
-  File.read(jekyll_output_file)
+  File.read(jekyll_output_file) if File.file?(jekyll_output_file)
 end
 
 def run_jekyll(args)
-  system "#{JEKYLL_PATH} #{args} --trace > #{jekyll_output_file} 2>&1"
+  child = POSIX::Spawn::Child.new JEKYLL_PATH, *args.strip.split(' '), "--trace", :out => [JEKYLL_COMMAND_OUTPUT_FILE, "w"]
+  child.status.exitstatus == 0
 end
 
 def slug(title)
diff --git a/features/support/overview.rb b/features/support/overview.rb
index 493ef6a6..79e9e603 100644
--- a/features/support/overview.rb
+++ b/features/support/overview.rb
@@ -34,6 +34,7 @@ module Features
       end
 
       def after_features(features)
+        @io.puts
         print_summary(features)
       end
 
@@ -73,18 +74,6 @@ module Features
         print_feature_element_name(keyword, name, file_colon_line, source_indent)
       end
 
-      def before_examples_array(examples_array)
-      end
-
-      def examples_name(keyword, name)
-      end
-
-      def before_outline_table(outline_table)
-      end
-
-      def after_outline_table(outline_table)
-      end
-
       def scenario_name(keyword, name, file_colon_line, source_indent)
         print_feature_element_name(keyword, name, file_colon_line, source_indent)
       end
@@ -121,38 +110,12 @@ module Features
         @io.print CHARS[status]
       end
 
-      def doc_string(string)
-        return if @options[:no_multiline] || @hide_this_step
-        s = %{"""\n#{string}\n"""}.indent(@indent)
-        s = s.split("\n").map{|l| l =~ /^\s+$/ ? '' : l}.join("\n")
-        @io.puts(format_string(s, @current_step.status))
-        @io.flush
-      end
-
       def exception(exception, status)
         return if @hide_this_step
         print_exception(exception, status, @indent)
         @io.flush
       end
 
-      def before_multiline_arg(multiline_arg)
-      end
-
-      def after_multiline_arg(multiline_arg)
-      end
-
-      def before_table_row(table_row)
-      end
-
-      def after_table_row(table_row)
-      end
-
-      def after_table_cell(cell)
-      end
-
-      def table_cell_value(value, status)
-      end
-
       private
 
       def print_feature_element_name(keyword, name, file_colon_line, source_indent)
diff --git a/script/cibuild b/script/cibuild
index d2dd4ae4..4d4b6dbe 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -1,16 +1,4 @@
 #! /bin/bash
 
-set -e
-
-parallelize_tests() {
-  ls -1 script/{test,cucumber,proof} | xargs -P 3 -L 1 /bin/bash
-}
-
-serialize_tests() {
-  script/proof
-  script/test
-  script/cucumber
-}
-
 script/branding
-time parallelize_tests
+script/$TEST_SUITE