About: http://webisa.webdatacommons.org/78205984

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So in this case it is good to have a positive test which is expected to pass and a negative test which checks if invalid input is not validated.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com