Fix tests on Windows

On Windows, binary files must opened in 'binary' mode.

Author: jspanjers

test/models/zip/bzip2/decompress_test.rb

@@ -47,6 +47,6 @@ def file_text
   end
 
   def compressed_data
-    @compressed_data ||= File.open(BZIP2_FILE, &:read)
+    @compressed_data ||= File.open(BZIP2_FILE, 'rb', &:read)
   end
 end

test/models/zip/bzip2/libbz2_test.rb

@@ -78,6 +78,6 @@ def file_text
   end
 
   def compressed_data
-    @compressed_data ||= File.open(BZIP2_FILE, &:read)
+    @compressed_data ||= File.open(BZIP2_FILE, 'rb', &:read)
   end
 end