Use Gemfile instead of Gem::Specification#add_development_dependency.

Author: hsbt

Gemfile

@@ -2,5 +2,7 @@ source "https://rubygems.org"
 
 git_source(:github) {|repo_name| "/#{repo_name}" }
 
-# Specify your gem's dependencies in matrix.gemspec
 gemspec
+
+gem "rake"
+gem "test-unit"

matrix.gemspec

@@ -23,7 +23,4 @@ Gem::Specification.new do |spec|
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-
-  spec.add_development_dependency "bundler"
-  spec.add_development_dependency "rake"
 end