Rakefile in watir-6.15.1 vs Rakefile in watir-6.16.0

@@ -5,10 +5,11 @@
 
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.rspec_opts = %w[--color --require fuubar --format Fuubar]
   spec.pattern = 'spec/**/*_spec.rb'
+  spec.exclude_pattern = 'spec/unit/**/*_spec.rb'
 end
 
 require 'rubocop/rake_task'
 
 RuboCop::RakeTask.new(:rubocop) do |t|
@@ -151,9 +152,14 @@
     task "remote_#{browser}" do
       ENV['WATIR_BROWSER'] = browser
       ENV['USE_REMOTE'] = 'true'
       Rake::Task[:spec].execute
     end
+  end
+
+  desc 'Run the Unit tests'
+  RSpec::Core::RakeTask.new(:unit) do |spec|
+    spec.pattern = 'spec/unit/**/**_spec.rb'
   end
 
   desc 'Run element location specs and report wire calls'
   RSpec::Core::RakeTask.new(:stats) do |spec|
     ENV['SELENIUM_STATS'] = 'true'