Refactor Net::SSH spec helpers definition and usages

spec/spec_helper.rb

@@ -2,3 +2,12 @@ require 'producer/core'
 
 require 'support/exit_helpers'
 require 'support/fixtures_helpers'
+require 'support/net_ssh_story_helpers'
+
+
+RSpec.configure do |c|
+  c.include NetSSHStoryHelpers, type: :ssh
+  c.before(:each, type: :ssh) do
+    allow(remote).to receive(:session) { connection }
+  end
+end