Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/thread/exclusive_spec.rb

@@ -0,0 +1,18 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Thread.exclusive" do
+  before :each do
+    ScratchPad.clear
+  end
+
+  it "yields to the block" do
+    Thread.exclusive { ScratchPad.record true }
+    ScratchPad.recorded.should == true
+  end
+
+  it "returns the result of yielding" do
+    Thread.exclusive { :result }.should == :result
+  end
+
+  it "needs to be reviewed for spec completeness"
+end