Use FrozenError instead of frozen_error_class

1 files changed, 2 insertions, 2 deletions

diff --git a/spec/ruby/library/set/compare_by_identity_spec.rb b/spec/ruby/library/set/compare_by_identity_spec.rb
index a6ad794ad3..28fe91309f 100644
--- a/spec/ruby/library/set/compare_by_identity_spec.rb
+++ b/spec/ruby/library/set/compare_by_identity_spec.rb
@@ -91,11 +91,11 @@ describe "Set#compare_by_identity" do
     set.to_a.sort.should == [a1, a2].sort
   end
 
-  it "raises a #{frozen_error_class} on frozen sets" do
+  it "raises a FrozenError on frozen sets" do
     set = Set.new.freeze
     -> {
       set.compare_by_identity
-    }.should raise_error(frozen_error_class, /frozen Hash/)
+    }.should raise_error(FrozenError, /frozen Hash/)
   end
 
   it "persists over #dups" do