move the xpath pin to test group instead

Gemfile

@@ -44,4 +44,7 @@ group :test do
   gem 'shoulda-matchers'
   # Manipulate Time.now in specs
   gem 'timecop'
+  # Needed to work around a regression between capybara 2.7.1 and xpath 2.1
+  # XXX remove when capybara is updated to work with xpath 2.1
+  gem 'xpath', '2.0'
 end

Gemfile.lock

@@ -66,7 +66,6 @@ PATH
       windows_error
       xdr
       xmlrpc
-      xpath (= 2.0)
 
 GEM
   remote: https://rubygems.org/
@@ -410,6 +409,7 @@ DEPENDENCIES
   shoulda-matchers
   simplecov
   timecop
+  xpath (= 2.0)
   yard
 
 BUNDLED WITH

metasploit-framework.gemspec

@@ -184,7 +184,4 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'nexpose'
   # Needed for NDMP sockets
   spec.add_runtime_dependency 'xdr'
-  # Needed to work around a regression between capybara 2.7.1 and xpath 2.1
-  # XXX remove when capybara is updated to work with xpath 2.1
-  spec.add_runtime_dependency 'xpath', '2.0'
 end