Lukker db-connection for å unngå error i unittest

test/test_codebook_to_pdf.py

@@ -52,4 +52,5 @@ class ExportTest(unittest.TestCase):
         # Delete generated files
         os.remove(file_path_full)
         os.remove(file_path_small)
+        database.conn.close()
         os.remove(TESTDBPATH)

test/test_database.py

@@ -295,7 +295,7 @@ class DatabaseTest(unittest.TestCase):
 
     def delete_db(self):
         """Delete generated database-file."""
-        del self.database
+        self.database.conn.close()
         if os.path.exists(TESTDBPATH):
             os.remove(TESTDBPATH)