assertions.rb: set default internal encoding

* test/lib/test/unit/assertions.rb (assert_raise_with_message):
  set default internal encoding to the excpected message, which
  affects String#inspect in messages.

* test/lib/test/unit/assertions.rb (assert_warning): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54522 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 5 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index 262d27f080..5023262e5d 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -430,11 +430,9 @@ end.join
     bug3237 = '[ruby-core:29948]'
     str = "\u2600"
     id = :"\u2604"
-    EnvUtil.with_default_external(Encoding::UTF_8) do
-      msg = "undefined method `#{id}' for #{str.inspect}:String"
-      assert_raise_with_message(NoMethodError, msg, bug3237) do
-        str.__send__(id)
-      end
+    msg = "undefined method `#{id}' for \"#{str}\":String"
+    assert_raise_with_message(NoMethodError, msg, bug3237) do
+      str.__send__(id)
     end
   end