Use slashes as separators in siglen

Change-Id: I368a0e0be8880a0608c7fba1f13ce5688d22973a
diff --git a/t/real/bzk_2.t b/t/real/bzk_2.t
index a44806b..4597541 100644
--- a/t/real/bzk_2.t
+++ b/t/real/bzk_2.t
@@ -21,8 +21,8 @@
 ok(my $doc = KorAP::XML::Krill->new( path => $path . '/' ), 'Load Korap::XML::Krill');
 ok($doc->parse, 'Parse document');
 
-is($doc->text_sigle, 'BZK_D59.00089', 'Correct text sigle');
-is($doc->doc_sigle, 'BZK_D59', 'Correct document sigle');
+is($doc->text_sigle, 'BZK/D59/00089', 'Correct text sigle');
+is($doc->doc_sigle, 'BZK/D59', 'Correct document sigle');
 is($doc->corpus_sigle, 'BZK', 'Correct corpus sigle');
 
 my $meta = $doc->meta;
@@ -93,8 +93,8 @@
 is($output->{data}->{layerInfos}, '', 'layerInfos');
 is($output->{data}->{stream}->[0]->[4], 's:Saragat-Partei', 'data');
 
-is($output->{textSigle}, 'BZK_D59.00089', 'Correct text sigle');
-is($output->{docSigle}, 'BZK_D59', 'Correct document sigle');
+is($output->{textSigle}, 'BZK/D59/00089', 'Correct text sigle');
+is($output->{docSigle}, 'BZK/D59', 'Correct document sigle');
 is($output->{corpusSigle}, 'BZK', 'Correct corpus sigle');
 
 is($output->{title}, 'Saragat-Partei zerfällt', 'Title');