Temporarily skipped with upstream changes of Date library.

spec/ruby/library/date/parse_spec.rb

@@ -11,9 +11,11 @@ describe "Date#parse" do
     d.should == Date.commercial(d.cwyear, d.cweek, 5)
   end
 
-  it "parses a month name into a Date object" do
-    d = Date.parse("october")
-    d.should == Date.civil(Date.today.year, 10)
+  ruby_version_is ''...'2.7' do
+    it "parses a month name into a Date object" do
+      d = Date.parse("october")
+      d.should == Date.civil(Date.today.year, 10)
+    end
   end
 
   it "parses a month day into a Date object" do

spec/ruby/library/date/valid_jd_spec.rb

@@ -2,8 +2,10 @@ require_relative '../../spec_helper'
 require_relative 'shared/valid_jd'
 require 'date'
 
-describe "Date.valid_jd?" do
+ruby_version_is ''...'2.7' do
+  describe "Date.valid_jd?" do
 
-  it_behaves_like :date_valid_jd?, :valid_jd?
+    it_behaves_like :date_valid_jd?, :valid_jd?
 
+  end
 end