Update 'test_unknown_flavor' to support new parsers

Author: bosd

tests/test_errors.py

@@ -9,7 +9,7 @@
 
 
 def test_unknown_flavor(foo_pdf):
-    message = "Unknown flavor specified." " Use either 'lattice' or 'stream'"
+    message = "Unknown flavor specified." " Use either 'lattice', 'stream', 'network' or 'hybrid'"
     with pytest.raises(NotImplementedError, match=message):
         camelot.read_pdf(foo_pdf, flavor="chocolate")