[mangahere] fix metadata extraction

gallery_dl/extractor/mangahere.py

@@ -92,9 +92,8 @@ class MangahereChapterExtractor(AsynchronousExtractor):
         """Collect metadata for extractor-job"""
         manga, pos = text.extract(page, '<title>', '</title>')
         chid , pos = text.extract(page, '.net/store/manga/', '/', pos)
-        _    , pos = text.extract(page, '<select class="wid60"', '', pos)
-        _    , pos = text.extract(page, '</select>', '', pos)
-        count, pos = text.extract(page, '>', '<', pos-30)
+        pages, pos = text.extract(page, ' class="wid60"', '</select>', pos)
+        count = re.findall(r">(\d+)<", pages)[-1]
         manga = re.match((r"(.+) \d+(\.\d+)? - Read .+ Chapter "
                           r"\d+(\.\d+)? Online"), manga).group(1)
         return {

test/test_extractors.py

@@ -73,8 +73,8 @@ skip = [
     "exhentai", "kissmanga", "mangafox", "dynastyscans", "nijie",
     "archivedmoe", "archiveofsins", "thebarchive",
     # temporary issues
-    "imgtrex",
-    "loveisover",  # certificate verify failed
+    "nyafuu",
+    "mangazuki",
 ]
 # enable selective testing for direct calls
 if __name__ == '__main__' and len(sys.argv) > 1: