Update to ruby/spec@41068a6

* Only small fixes to specs from CRuby to review the diff more easily.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63767 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/language/constants_spec.rb

@@ -643,7 +643,9 @@ describe "Module#private_constant marked constants" do
       lambda do
         ConstantVisibility::PrivConstModuleChild::PRIVATE_CONSTANT_MODULE
       end.should raise_error(NameError) {|e|
+        ruby_bug "#14853", ""..."2.5.2" do
           e.receiver.should == ConstantVisibility::PrivConstModule
+        end
         e.name.should == :PRIVATE_CONSTANT_MODULE
       }
     end

spec/ruby/language/precedence_spec.rb

@@ -301,13 +301,9 @@ describe "Operators" do
    from = 1
    to = 2
    # These are Range instances, not flip-flop
-   @verbose = $VERBOSE
-   $VERBOSE = nil
-   begin
+   suppress_warning do
      (eval("from..to") ? 3 : 4).should == 3
      (eval("from...to") ? 3 : 4).should == 3
-   ensure
-     $VERBOSE = @verbose
    end
  end
 

spec/ruby/library/etc/getgrgid_spec.rb

@@ -13,10 +13,11 @@ end
 
 # TODO: verify these on non-windows, non-darwin OS
 platform_is_not :windows do
-  grpname = IO.popen(%w'id -gn', err: IO::NULL, &:read)
-  next unless $?.success?
-  grpname.chomp!
-
+  grpname = nil
+  guard -> {
+    grpname = IO.popen(%w'id -gn', err: IO::NULL, &:read).chomp
+    $?.success?
+  } do
     describe "Etc.getgrgid" do
       before :all do
         @gid = `id -g`.strip.to_i
@@ -72,3 +73,4 @@ platform_is_not :windows do
       end
     end
   end
+end