3 files changed, 3 insertions, 3 deletions
diff --git a/test/ruby/test_argf.rb b/test/ruby/test_argf.rb
index c2a1633a6..8280e5e50 100644
--- a/test/ruby/test_argf.rb
+++ b/test/ruby/test_argf.rb
@@ -93,7 +93,7 @@ class TestArgf < Test::Unit::TestCase
     end
   end
 
-  def test_lineno
+  def test_lineno2
     ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
       a = ARGF.dup
       a.gets; p $.  #=> 1
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index c04f21601..25ceb70be 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -593,7 +593,7 @@ class TestIO < Test::Unit::TestCase
     assert_equal(nil, IO.try_convert("STDOUT"))
   end
 
-  def test_ungetc
+  def test_ungetc2
     pipe do |r, w|
       r.ungetc("0" * 10000)
       w.write("1" * 10000)
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index c71d3e501..55cef9001 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -1587,7 +1587,7 @@ class TestString < Test::Unit::TestCase
     assert("abc".end_with?("c"))
   end
 
-  def test_times
+  def test_times2
     s1 = ''
     100.times {|n|
       s2 = "a" * n