Add tests for main CLI commands

test/test_helper.rb

@@ -9,7 +9,18 @@ require "mrsk"
 
 ActiveSupport::LogSubscriber.logger = ActiveSupport::Logger.new(STDOUT) if ENV["VERBOSE"]
 
+# Applies to remote commands only,
+# see https://github.com/capistrano/sshkit/blob/master/lib/sshkit/dsl.rb#L9
 SSHKit.config.backend = SSHKit::Backend::Printer
 
+# Ensure local commands use the printer backend too
+module SSHKit
+  module DSL
+    def run_locally(&block)
+      SSHKit::Backend::Printer.new(SSHKit::Host.new(:local), &block).run
+    end
+  end
+end
+
 class ActiveSupport::TestCase
 end