Mock DNS result in SSH spec

Fixes #3370

spec/input/ssh_spec.rb

@@ -11,12 +11,11 @@
     Oxidized::Node.any_instance.stubs(:resolve_repo)
     Oxidized::Node.any_instance.stubs(:resolve_input)
     Oxidized::Node.any_instance.stubs(:resolve_output)
+    Resolv.any_instance.stubs(:getaddress).with('example.com').returns('192.0.2.2')
   end
 
   describe "#connect" do
     it "should use proxy command when proxy host given and connect by ip if resolve_dns is true" do
-      # If this test fails, check it exemple.com still resolves to 93.184.215.14
-      # If not, update Net::SSH.expects(:start).with('93.184.215.14'... below
       Oxidized.config.resolve_dns = true
       @node = Oxidized::Node.new(name:     'example.com',
                                  input:    'ssh',
@@ -46,7 +45,7 @@
         auth_methods:                    %w[none publickey password],
         proxy:                           proxy
       }
-      Net::SSH.expects(:start).with('93.184.215.14', 'alma', ssh_options)
+      Net::SSH.expects(:start).with('192.0.2.2', 'alma', ssh_options)
 
       ssh.instance_variable_set("@exec", true)
       ssh.connect(@node)