Remove extract_text and extract_doc in favor of extract_sigle

Change-Id: I6577a8f453baab96e684da3b2238a31b4f0175e3
diff --git a/t/annotation/mdp_dependency.t b/t/annotation/mdp_dependency.t
index 1506d8b..de9144c 100644
--- a/t/annotation/mdp_dependency.t
+++ b/t/annotation/mdp_dependency.t
@@ -42,7 +42,7 @@
 my $dir = tempdir();
 
 my $f_path = 'WPD15/A00/00081';
-$archive->extract_text($f_path, $dir);
+$archive->extract_sigle([$f_path], $dir);
 
 ok(my $doc = KorAP::XML::Krill->new( path => $dir . '/' . $f_path));