Fix two typos for payload specs

Author: zeroSteiner

spec/modules/payloads_spec.rb

@@ -1839,7 +1839,7 @@
 
   context 'python/meterpreter/reverse_http' do
     it_should_behave_like 'payload can be instantiated',
-                          ancestor_reference_name: [
+                          ancestor_reference_names: [
                             'stagers/python/reverse_http',
                             'stages/python/meterpreter'
                           ],

tools/missing-payload-tests.rb

@@ -62,15 +62,15 @@
          $stderr.puts
          $stderr.puts "  context '#{reference_name}' do\n" \
                       "    it_should_behave_like 'payload can be instantiated',\n" \
-                      "                          ancestor_reference_name: ["
+                      "                          ancestor_reference_names: ["
 
          ancestor_reference_names = options[:ancestor_reference_names]
 
          if ancestor_reference_names.length == 1
            $stderr.puts "                            '#{ancestor_reference_names[0]}'"
          else
-           $stderr.puts "                            '#{ancestor_reference_names[0]}',"
-           $stderr.puts "                            '#{ancestor_reference_names[1]}'"
+           $stderr.puts "                            '#{ancestor_reference_names[1]}',"
+           $stderr.puts "                            '#{ancestor_reference_names[0]}'"
          end
 
          $stderr.puts "                          ],\n" \