[rubygems/rubygems] Simplified test-case for original issue

rubygems/rubygems@89086c5458

Author: hsbt

spec/bundler/bundler/yaml_serializer_spec.rb

@@ -178,8 +178,8 @@
     it "skip commented out words" do
       yaml = <<~YAML
         ---
-        foo: "bar"
-        buzz: "foo" # "bar"
+        foo: bar
+        buzz: foo # bar
       YAML
 
       hash = {