Chefspec + Foodcritic + Test-Kitchen + Guard

Guardfile

# A sample Guardfile
# More info at https://github.com/guard/guard#readme

guard 'kitchen' do
  watch(%r{test/.+})
  watch(%r{^recipes/(.+)\.rb$})
  watch(%r{^attributes/(.+)\.rb$})
  watch(%r{^files/(.+)})
  watch(%r{^templates/(.+)})
  watch(%r{^providers/(.+)\.rb})
  watch(%r{^resources/(.+)\.rb})
end

guard "foodcritic", :cookbook_paths => ".", :all_on_start => false do
  watch(%r{attributes/.+\.rb$})
  watch(%r{providers/.+\.rb$})
  watch(%r{recipes/.+\.rb$})
  watch(%r{resources/.+\.rb$})
  watch('metadata.rb')
end

guard :rspec, cmd: 'bundle exec rspec', :all_on_start => false, notification: false do
  watch(%r{^spec/(.+)_spec\.rb$})
  watch(%r{^(recipes)/(.+)\.rb$})   { |m| "spec/#{m[1]}_spec.rb" }
  watch('spec/spec_helper.rb')      { 'spec' }
end

Your watch for rspec recipes (line 24) uses the wrong capture group in the spec file. Could use a non-capturing group to fix:

  watch(%r{^(?:recipes)/(.+)\.rb$}) { |m| "spec/#{m[1]}_spec.rb" }