better chef+ruby rspec constraints

lets us use Gem::Dependency constraints directly as rspec
constraints for matching Chef::Version and RUBY_VERSION.

copies some magic sauce from bundler that does something
similar

1 files changed, 2 insertions, 2 deletions

diff --git a/spec/integration/knife/upload_spec.rb b/spec/integration/knife/upload_spec.rb
index 739dfa44d1..9a1717b2d9 100644
--- a/spec/integration/knife/upload_spec.rb
+++ b/spec/integration/knife/upload_spec.rb
@@ -159,14 +159,14 @@ EOM
             file "cookbooks/x/metadata.rb", "name 'x'; version '1.0.0'; depends 'x'"
           end
 
-          it "should warn", :chef_lt_13_only do
+          it "should warn", chef: "< 13" do
             knife("upload /cookbooks").should_succeed(
               stdout: "Updated /cookbooks/x\n",
               stderr: "WARN: Ignoring self-dependency in cookbook x, please remove it (in the future this will be fatal).\n"
             )
             knife("diff --name-status /").should_succeed ""
           end
-          it "should fail in Chef 13", :chef_gte_13_only do
+          it "should fail in Chef 13", chef: ">= 13" do
             knife("upload /cookbooks").should_fail ""
             # FIXME: include the error message here
           end