diff --git a/src/deutschland/bundesanzeiger/bundesanzeiger.py b/src/deutschland/bundesanzeiger/bundesanzeiger.py
index 31d10c3..19fd2ef 100644
--- a/src/deutschland/bundesanzeiger/bundesanzeiger.py
+++ b/src/deutschland/bundesanzeiger/bundesanzeiger.py
@@ -166,8 +166,7 @@ def __get_next_page_link(self, content: str):
         if not next_link:
             return None
 
-        return next_link.attrs.get('href')
-
+        return next_link.attrs.get("href")
 
     def __generate_result(self, url: str, page_limit: int):
         results = dict()
diff --git a/tests/bundesanzeiger/test_parsing.py b/tests/bundesanzeiger/test_parsing.py
index fc90fbb..48f5c2f 100644
--- a/tests/bundesanzeiger/test_parsing.py
+++ b/tests/bundesanzeiger/test_parsing.py
@@ -1,9 +1,12 @@
+import os
 from deutschland.bundesanzeiger import Bundesanzeiger
 
 
 def test_get_next_page_link():
-    with open('response.html') as file:
-        ba = Bundesanzeiger()
+    html_file = os.path.join(os.path.dirname(__file__), "response.html")
+    with open(html_file) as file:
         html = file.read()
-        link = ba._Bundesanzeiger__get_next_page_link(html)
-        assert link == 'https://www.bundesanzeiger.de/pub/de/suchen2?4-1.-top~nav-pager-navigation-1-pagination~link'
+    ba = Bundesanzeiger()
+    link = ba._Bundesanzeiger__get_next_page_link(html)
+    expected = "https://www.bundesanzeiger.de/pub/de/suchen2?4-1.-top~nav-pager-navigation-1-pagination~link"
+    assert link == expected