Try to create tmp dir, if not exists.

.gitignore

@@ -7,7 +7,7 @@
 /spec/reports/
 /test/tmp/
 /test/version_tmp/
-/tmp/
+!/tmp/
 .DS_Store
 
 ## Specific to RubyMotion:

spec/ocr_spec.rb

@@ -29,6 +29,6 @@ describe 'OCR' do
       expect(chars).not_to eq(str)
     end
 
-    puts %(------------------------\nOCR all results: \n#{results.join("\n")})
+    puts %(\n------------------------\nOCR all results: \n#{results.join("\n")})
   end
 end

spec/spec_helper.rb

@@ -6,6 +6,11 @@ $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 require 'rucaptcha'
 require 'rtesseract'
 
+tmp_path = File.join(File.dirname(__FILE__), '../tmp')
+if !File.exists?(tmp_path)
+  Dir.mkdir(tmp_path)
+end
+
 RuCaptcha.configure do
   self.len = 2
   self.width = 123