Fix test-all tests to avoid creating report_on_exception warnings

* The warnings are shown by Thread.report_on_exception defaulting to
  true. [Feature #14143] [ruby-core:83979]
* Improves tests by narrowing down the scope where an exception
  is expected.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 5 deletions

diff --git a/test/readline/test_readline.rb b/test/readline/test_readline.rb
index 1d19af1e10..68c1ff7312 100644
--- a/test/readline/test_readline.rb
+++ b/test/readline/test_readline.rb
@@ -45,14 +45,14 @@ class TestReadline < Test::Unit::TestCase
         assert_equal("> ", stdout.read(2))
         assert_equal(1, Readline::HISTORY.length)
         assert_equal("hello", Readline::HISTORY[0])
-        assert_raise(SecurityError) do
-          Thread.start {
-            $SAFE = 1
+        Thread.start {
+          $SAFE = 1
+          assert_raise(SecurityError) do
             replace_stdio(stdin.path, stdout.path) do
               Readline.readline("> ".taint)
             end
-          }.join
-        end
+          end
+        }.join
       end
     end