Cleanup metadata files

Change-Id: Ibf3d07f300141c4be65b2bff2f5529ededa87b80
diff --git a/t/real/bzk_2.t b/t/real/bzk_2.t
index dba97cc..a44806b 100644
--- a/t/real/bzk_2.t
+++ b/t/real/bzk_2.t
@@ -46,7 +46,7 @@
 
 
 is($meta->{creation_date}, '19590219', 'Creation date');
-is($meta->{license}, 'ACA-NC-LC', 'License');
+is($meta->{availability}, 'ACA-NC-LC', 'License');
 ok(!$meta->{pages}, 'Pages');
 
 ok(!$meta->{file_edition_statement}, 'File Statement');
@@ -112,7 +112,7 @@
 is($output->{textClass}, 'politik ausland', 'Correct Text Domain');
 
 is($output->{creationDate}, '19590219', 'Creation date');
-is($output->{license}, 'ACA-NC-LC', 'License');
+is($output->{availability}, 'ACA-NC-LC', 'License');
 ok(!exists $output->{pages}, 'Pages');
 ok(!exists $output->{fileEditionStatement}, 'File Statement');
 ok(!exists $output->{biblEditionStatement}, 'Bibl Statement');