Add RSpec matcher match_environment_variable.

1 files changed, 1 insertions, 9 deletions

diff --git a/spec/functional/mixin/shell_out_spec.rb b/spec/functional/mixin/shell_out_spec.rb
index f188c0472d..92492fcf6f 100644
--- a/spec/functional/mixin/shell_out_spec.rb
+++ b/spec/functional/mixin/shell_out_spec.rb
@@ -29,15 +29,7 @@ describe Chef::Mixin::ShellOut do
           shell_out_with_systems_locale('echo $LC_ALL')
         end
 
-        expected_systems_locale = if windows? && ENV['LC_ALL'].nil?
-          # On Windows, if an environment variable is not set, the command
-          # `echo %VARNAME%` outputs %VARNAME%
-          "%LC_ALL%"
-        else
-          ENV['LC_ALL'].to_s
-        end
-
-        cmd.stdout.chomp.should eq expected_systems_locale.to_s
+        cmd.stdout.chomp.should match_environment_variable('LC_ALL')
       end
     end