Fixed the issue with the very slow basic auth specs.

(2.84 seconds -> 0.05 seconds)

spec/pinch_spec.rb

@@ -119,14 +119,16 @@
       @data = "{\"gem\":\"pinch\",\"authors\":[\"Peter Hellberg\",\"Edward Patel\"],\"github_url\":\"https://github.com/peterhellberg/pinch\"}\n"
     end
 
-    VCR.use_cassette('basic_auth', :match_requests_on => [:method, :uri, :headers]) do
-      it "should retrieve the contents of the file data.json with valid authentication" do
+    it "should retrieve the contents of the file data.json with valid authentication" do
+      VCR.use_cassette('valid_basic_auth') do
         data = Pinch.get @url, @file, 'pinch_test', 'thisisjustatest'
         data.must_equal @data
         data.size.must_equal 114
       end
-
-      it "should not retrieve the contents of the file data.json with invalid authentication" do
+    end
+
+    it "should not retrieve the contents of the file data.json with invalid authentication" do
+      VCR.use_cassette('invalid_basic_auth') do
         lambda {
           Pinch.get @url, @file, 'invalid_username', 'invalid_password'
         }.must_raise Net::HTTPServerException