downgrade rspec to 2.99

Gemfile

@@ -13,7 +13,8 @@ end
 # installed on Travis CI
 #
 group :test do
-  gem 'rspec', require: false
+  # gem 'rspec', '~> 3.1', require: false
+  gem 'rspec', '~> 2.99', require: false
   gem 'fakefs', require: false
   gem 'coveralls', require: false
 end

spec/guard/less_spec.rb

@@ -1,6 +1,6 @@
-require 'spec_helper'
+require "guard/less"
 
-describe Guard::Less do
+RSpec.describe Guard::Less do
   include FakeFS::SpecHelpers
 
   let(:guard) { Guard::Less.new }
@@ -154,7 +154,7 @@
 
       context 'but LESS file has an import more recently modified than CSS' do
         before do
-          write_stub_less_file('yes/a.less', import=true)
+          write_stub_less_file('yes/a.less', true)
           # touch with :mtime option doesn't seem to work?
           FileUtils.touch(['yes/a.css', 'yes/b.less'])
           File.utime(Time.now - 5, Time.now - 5, 'yes/a.less')

spec/spec_helper.rb

@@ -1,17 +1,31 @@
-if ENV['CI']
-  require 'coveralls'
-  Coveralls.wear!
-end
-
-require 'guard/less'
-require 'rspec'
 require 'fakefs/spec_helpers'
 
-ENV['GUARD_ENV'] = 'test'
-
 RSpec.configure do |config|
-  config.color_enabled = true
-  config.filter_run focus: true
+  config.expect_with :rspec do |expectations|
+    # TODO: restore
+    # expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    # TODO: restore
+    # mocks.verify_partial_doubles = true
+  end
+
+  config.filter_run :focus
   config.run_all_when_everything_filtered = true
-  config.treat_symbols_as_metadata_keys_with_true_values = true
+
+  # TODO: restore
+  # config.disable_monkey_patching!
+
+  config.warnings = true
+
+  if config.files_to_run.one?
+    config.default_formatter = 'doc'
+  end
+
+  # config.profile_examples = 10
+
+  config.order = :random
+
+  Kernel.srand config.seed
 end