test: Add watch test/helpers/ dir for Guard

Author: sman591

Guardfile

@@ -1,14 +1,15 @@
 # More info at https://github.com/guard/guard#readme
 guard :minitest, all_on_start: false, all_after_pass: false, spring: "bin/rails test" do
   watch(%r{^app/(?:models|presenters|validators|lib)/(.+)\.rb$}) { |m| "test/models/#{m[1]}_test.rb" }
-  watch(%r{^app/helpers/(.+)\.rb$})                              { |m| "test/models/helpers/#{m[1]}_test.rb" }
-  watch(%r{^app/mailers/(.+)\.rb$})                              { |m| "test/controllers/#{m[1]}_test.rb" }
-  watch(%r{^app/controllers/(.+)\.rb$})                          { |m| "test/controllers/#{m[1]}_test.rb" }
-  watch(%r{^app/views/(.+)\/.+$})                                { |m| "test/controllers/#{m[1]}_controller_test.rb" }
-  watch(%r{^app/jobs/(.+)\.rb$})                                 { |m| "test/jobs/#{m[1]}_test.rb" }
-  watch(%r{^app/views/layouts/.+$})                              { "test/controllers" }
-  watch(%r{^app/views/.+\.rb$})                                  { "test/integration" }
+  watch(%r{^app/helpers/(.+)\.rb$}) { |m| "test/models/helpers/#{m[1]}_test.rb" }
+  watch(%r{^app/helpers/(.+)\.rb$}) { |m| "test/helpers/#{m[1]}_test.rb" }
+  watch(%r{^app/mailers/(.+)\.rb$}) { |m| "test/controllers/#{m[1]}_test.rb" }
+  watch(%r{^app/controllers/(.+)\.rb$}) { |m| "test/controllers/#{m[1]}_test.rb" }
+  watch(%r{^app/views/(.+)\/.+$}) { |m| "test/controllers/#{m[1]}_controller_test.rb" }
+  watch(%r{^app/jobs/(.+)\.rb$}) { |m| "test/jobs/#{m[1]}_test.rb" }
+  watch(%r{^app/views/layouts/.+$}) { "test/controllers" }
+  watch(%r{^app/views/.+\.rb$}) { "test/integration" }
   watch(%r{^test/.+_test.rb$})
-  watch('app/controllers/application_controller.rb')             { ["test/controllers", "test/integration"] }
-  watch('test/test_helper.rb')                                   { "test" }
+  watch("app/controllers/application_controller.rb") { ["test/controllers", "test/integration"] }
+  watch("test/test_helper.rb") { "test" }
 end