Fix unit test failures in basic_test.

Signed-off-by: rick <technoweenie@gmail.com>

test/basic_test.rb

@@ -24,8 +24,8 @@ class BasicTest < Test::Unit::TestCase
   def test_should_normalize_content_types_to_array
     assert_equal %w(pdf), PdfAttachment.attachment_options[:content_type]
     assert_equal %w(pdf doc txt), DocAttachment.attachment_options[:content_type]
-    assert_equal ['image/jpeg', 'image/pjpeg', 'image/gif', 'image/png', 'image/x-png', 'image/jpg'], ImageAttachment.attachment_options[:content_type]
-    assert_equal ['pdf', 'image/jpeg', 'image/pjpeg', 'image/gif', 'image/png', 'image/x-png', 'image/jpg'], ImageOrPdfAttachment.attachment_options[:content_type]
+    assert_equal Technoweenie::AttachmentFu.content_types, ImageAttachment.attachment_options[:content_type]
+    assert_equal ['pdf'] + Technoweenie::AttachmentFu.content_types, ImageOrPdfAttachment.attachment_options[:content_type]
   end
   
   def test_should_sanitize_content_type
@@ -67,4 +67,4 @@ class BasicTest < Test::Unit::TestCase
       klass.has_attachment :thumbnails => []
     end
   end
-end
+end