last change wasn't it, lets inspect the outputs if they don't match

spec/support/inputs_helper.rb

@@ -65,8 +65,7 @@ def cleanup_file_content!(text)
         :ids => /\/ID \[<\w*><\w*>\]/,          # Remove ID values ex: /ID [<4ba02a4cf55b1fc842299e6f01eb838e><33bec7dc37839cadf7ab76f3be4d4306>]
         :stream => /stream .* 9|10 0 obj /m,    # Remove some binary stream
         :content => /\/Contents \[.*\]/,
-        :xref => /^\d{10} \d{5} n|f $/,         # Remove Cross-references dictionnary
-        :outputs => /^\<.*\:(.*)\>/             # Remove file path referrences
+        :xref => /^\d{10} \d{5} n|f $/          # Remove Cross-references dictionnary
     }
     @filter.each do |k,reg|
       if reg.source.respond_to? :encode

spec/support/matchers/content_matcher.rb

@@ -7,6 +7,12 @@
 
 RSpec::Matchers.define :look_like_the_same_pdf_as do |expected|
   match do |actual|
+    if sha256_hash_of_almost(actual) != sha256_hash_of_almost(expected)
+      puts "Actual"
+      puts actual
+      puts "Expected"
+      puts expected
+    end
     sha256_hash_of_almost(actual) == sha256_hash_of_almost(expected)
   end
   diffable