[ruby/psych] Don't hardcode expected alias names

https://github.com/ruby/psych/commit/b9ab19094f

1 files changed, 11 insertions, 8 deletions

diff --git a/test/psych/test_array.rb b/test/psych/test_array.rb
index a6be0baf2f..6a9931ab2f 100644
--- a/test/psych/test_array.rb
+++ b/test/psych/test_array.rb
@@ -57,17 +57,20 @@ module Psych
       assert_cycle(@list)
     end
 
-    def test_recursive_array_uses_alias
+    def test_recursive_array
       @list << @list
 
-      expected = <<~eoyaml
-        --- &1
-        - :a: b
-        - foo
-        - *1
-      eoyaml
+      loaded = Psych.load(Psych.dump(@list), aliases: true)
+
+      assert_same loaded, loaded.last
+    end
+
+    def test_recursive_array_uses_alias
+      @list << @list
 
-      assert_equal expected, Psych.dump(@list)
+      assert_raise(BadAlias) do
+        Psych.load(Psych.dump(@list), aliases: false)
+      end
     end
 
     def test_cycle