mark tests that take 150s each

Author: jbrockmendel

pandas/tests/io/test_html.py

@@ -262,6 +262,7 @@ def test_bad_url_protocol(self):
             self.read_html('git://github.com', match='.*Water.*')
 
     @network
+    @pytest.mark.slow
     def test_invalid_url(self):
         try:
             with pytest.raises(URLError):