Revert test fixes.

This reverts r33233, r33234, and r33235.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_process.rb

@@ -1236,7 +1236,6 @@ class TestProcess < Test::Unit::TestCase
   end if File.executable?("/bin/sh")
 
   def test_too_long_path
-    GC.start
     bug4314 = '[ruby-core:34842]'
     exs = [Errno::ENOENT]
     exs << Errno::E2BIG if defined?(Errno::E2BIG)
@@ -1244,7 +1243,6 @@ class TestProcess < Test::Unit::TestCase
   end
 
   def test_too_long_path2
-    GC.start
     bug4315 = '[ruby-core:34833]'
     exs = [Errno::ENOENT]
     exs << Errno::E2BIG if defined?(Errno::E2BIG)

test/ruby/test_thread.rb

@@ -237,16 +237,13 @@ class TestThread < Test::Unit::TestCase
     assert_equal(-1, t1.priority)
     assert_equal(-3, t2.priority)
     sleep 0.5
-
-    r1 = r2 = 0
     5.times do
-      c1 > c2 ? r1+=1 : r2+=1
-      c1 = c2 = 0
+      break if c1 > c2
       sleep 0.1
     end
     t1.kill
     t2.kill
-    assert_operator(r1, :>, r2, "[ruby-dev:33124]") # not guaranteed
+    assert_operator(c1, :>, c2, "[ruby-dev:33124]") # not guaranteed
   end
 
   def test_new