rubyspec: use mock directory

* spec/rubyspec/core/dir/mkdir_spec.rb: the source directory may
  be on a read-only filesystem.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/spec/rubyspec/core/dir/mkdir_spec.rb b/spec/rubyspec/core/dir/mkdir_spec.rb
index ba2f12af4f..7eb8a8fe6c 100644
--- a/spec/rubyspec/core/dir/mkdir_spec.rb
+++ b/spec/rubyspec/core/dir/mkdir_spec.rb
@@ -55,11 +55,11 @@ describe "Dir.mkdir" do
   end
 
   it "raises Errno::EEXIST if the specified directory already exists" do
-    lambda { Dir.mkdir(File.dirname(__FILE__)) }.should raise_error(Errno::EEXIST)
+    lambda { Dir.mkdir("#{DirSpecs.mock_dir}/dir") }.should raise_error(Errno::EEXIST)
   end
 
   it "raises Errno::EEXIST if the argument points to the existing file" do
-    lambda { Dir.mkdir(__FILE__) }.should raise_error(Errno::EEXIST)
+    lambda { Dir.mkdir("#{DirSpecs.mock_dir}/file_one.ext") }.should raise_error(Errno::EEXIST)
   end
 end