Use the standard Rakefile and spec helper

Signed-off-by: Tim Smith <[email protected]>

.rspec

@@ -0,0 +1,3 @@
+--color
+--require spec_helper
+--format documentation

Rakefile

@@ -1,12 +1,15 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
+RSpec::Core::RakeTask.new(:test)
 
-RSpec::Core::RakeTask.new(:spec)
-
-require "chefstyle"
-require "rubocop/rake_task"
-RuboCop::RakeTask.new(:style) do |task|
-  task.options << "--display-cop-names"
+begin
+  require "chefstyle"
+  require "rubocop/rake_task"
+  RuboCop::RakeTask.new(:style) do |task|
+    task.options += ["--display-cop-names", "--no-color"]
+  end
+rescue LoadError
+  puts "chefstyle is not available. (sudo) gem install chefstyle to do style checking."
 end
 
-task default: %i{spec style}
+task default: %i{test style}

spec/spec_helper.rb

@@ -18,3 +18,17 @@
 require "rspec"
 
 require_relative "../lib/kitchen/driver/gce"
+
+RSpec.configure do |config|
+  # Run specs in random order to surface order dependencies. If you find an
+  # order dependency and want to debug it, you can fix the order by providing
+  # the seed, which is printed after each run.
+  #     --seed 1234
+  config.order = :random
+
+  # Seed global randomization in this process using the `--seed` CLI option.
+  # Setting this allows you to use `--seed` to deterministically reproduce
+  # test failures related to randomization by passing the same `--seed` value
+  # as the one that triggered the failure.
+  Kernel.srand config.seed
+end