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/exception/fixtures/common.rb

@@ -0,0 +1,64 @@
+module ExceptionSpecs
+  class Exceptional < Exception; end
+
+  class Backtrace
+    def self.backtrace
+      begin
+        raise # Do not move this line or update backtrace_spec.rb
+      rescue RuntimeError => e
+        e.backtrace
+      end
+    end
+  end
+
+  class UnExceptional < Exception
+    def backtrace
+      nil
+    end
+    def message
+      nil
+    end
+  end
+
+  class ConstructorException < Exception
+
+    def initialize
+    end
+
+  end
+
+  class OverrideToS < RuntimeError
+    def to_s
+      "this is from #to_s"
+    end
+  end
+
+  class EmptyToS < RuntimeError
+    def to_s
+      ""
+    end
+  end
+end
+
+module NoMethodErrorSpecs
+  class NoMethodErrorA; end
+
+  class NoMethodErrorB; end
+
+  class NoMethodErrorC;
+    protected
+    def a_protected_method;end
+    private
+    def a_private_method; end
+  end
+
+  class NoMethodErrorD; end
+end
+
+class NameErrorSpecs
+  class ReceiverClass
+    def call_undefined_class_variable
+      @@doesnt_exist
+    end
+  end
+end