Remote extra record separator from `sh' task action

features/actions/sh.feature

@@ -19,11 +19,11 @@ Feature: `sh' task action
       target 'some_host.test'
 
       task :some_task do
-        sh '\echo from remote'
+        sh '\echo hello from remote'
       end
       """
     When I successfully execute the recipe
-    Then the output must contain "from remote"
+    Then the output must contain exactly "hello from remote\n"
 
   Scenario: aborts on failed command execution
     Given a recipe with:

lib/producer/core/actions/shell_command.rb

@@ -4,7 +4,6 @@ module Producer
       class ShellCommand < Action
         def apply
           remote.execute(arguments.first, output)
-          output.puts
         end
       end
     end

lib/producer/core/testing/mock_remote.rb

@@ -12,7 +12,7 @@ module Producer
 
           case program
           when 'echo'
-            output << tokens.join(' ')
+            output << tokens.join(' ') << "\n"
           when 'true'
             output << ''
           when 'false'

spec/producer/core/actions/shell_command_spec.rb

@@ -15,7 +15,7 @@ module Producer::Core
           sh.apply
         end
 
-        it 'writes the returned output with a record separator' do
+        it 'writes the returned output' do
           sh.apply
           expect(output).to eq "#{command_args}\n"
         end

spec/producer/core/testing/mock_remote_spec.rb

@@ -20,8 +20,8 @@ module Producer::Core
         context 'dummy echo command' do
           let(:command) { 'echo some arguments' }
 
-          it 'returns command arguments' do
+          it 'returns command arguments ended by a record separator' do
-            expect(remote.execute(command)).to eq 'some arguments'
+            expect(remote.execute(command)).to eq "some arguments\n"
           end
         end