Split encoding test into two tests

(One for downloading, one for when files are already present)

Author: ikirker

test/test_wayback_machine_downloader.rb

@@ -93,9 +93,14 @@ def test_file_list_exclude_filter_with_a_regex
   # Testing encoding conflicts needs a different base_url
   def test_nonascii_suburls_download
     @wayback_machine_downloader = WaybackMachineDownloader.new base_url: 'https://en.wikipedia.org/wiki/%C3%84'
-    # Once for the downloading...
+    # Once just for the downloading...
+    @wayback_machine_downloader.download_files
+  end
+
+  def test_nonascii_suburls_already_present
+    @wayback_machine_downloader = WaybackMachineDownloader.new base_url: 'https://en.wikipedia.org/wiki/%C3%84'
+    # ... twice to test the "is already present" case
     @wayback_machine_downloader.download_files
-    # ... and once for the "is already present"
     @wayback_machine_downloader.download_files
   end