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/library/matrix/hash_spec.rb

@@ -0,0 +1,15 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'matrix'
+
+describe "Matrix#hash" do
+
+  it "returns a Fixnum" do
+    Matrix[ [1,2] ].hash.should be_an_instance_of(Fixnum)
+  end
+
+  it "returns the same value for the same matrix" do
+    data = [ [40,5], [2,7] ]
+    Matrix[ *data ].hash.should == Matrix[ *data ].hash
+  end
+
+end