4 files changed, 4 insertions, 4 deletions
diff --git a/test/-ext-/exception/test_data_error.rb b/test/-ext-/exception/test_data_error.rb
index d33d8ca43f..0fec4ac1ec 100644
--- a/test/-ext-/exception/test_data_error.rb
+++ b/test/-ext-/exception/test_data_error.rb
@@ -2,7 +2,7 @@
 require 'test/unit'
 
 module Bug
-  class TestException < Test::Unit::TestCase
+  class Test_ExceptionDE < Test::Unit::TestCase
     def test_cleanup_data_error
       bug9167 = '[ruby-core:58643] [Bug #9167]'
       assert_normal_exit(<<-'end;', bug9167) # do
diff --git a/test/-ext-/exception/test_enc_raise.rb b/test/-ext-/exception/test_enc_raise.rb
index 2bc7f02413..706f0e2772 100644
--- a/test/-ext-/exception/test_enc_raise.rb
+++ b/test/-ext-/exception/test_enc_raise.rb
@@ -3,7 +3,7 @@ require 'test/unit'
 require '-test-/exception'
 
 module Bug
-  class TestException < Test::Unit::TestCase
+  class Test_ExceptionER < Test::Unit::TestCase
     def test_enc_raise
       feature5650 = '[ruby-core:41160]'
       Encoding.list.each do |enc|
diff --git a/test/-ext-/exception/test_ensured.rb b/test/-ext-/exception/test_ensured.rb
index 858245868b..c250e46bab 100644
--- a/test/-ext-/exception/test_ensured.rb
+++ b/test/-ext-/exception/test_ensured.rb
@@ -5,7 +5,7 @@ module Bug
   class Bug7802 < RuntimeError
   end
 
-  class TestException < Test::Unit::TestCase
+  class Test_ExceptionE < Test::Unit::TestCase
     def test_ensured
       assert_separately([], <<-'end;') # do
 
diff --git a/test/-ext-/exception/test_exception_at_throwing.rb b/test/-ext-/exception/test_exception_at_throwing.rb
index aba26079eb..4bce348a25 100644
--- a/test/-ext-/exception/test_exception_at_throwing.rb
+++ b/test/-ext-/exception/test_exception_at_throwing.rb
@@ -2,7 +2,7 @@
 require 'test/unit'
 
 module Bug
-  class TestException < Test::Unit::TestCase
+  class Test_ExceptionAT < Test::Unit::TestCase
     def test_exception_at_throwing
       assert_separately(%w[-r-test-/exception], "#{<<-"begin;"}\n#{<<-"end;"}")
       begin;