Prevent remote query examples from running during testing

[zwelz3]

Currently the remote query examples access URLs such as DBPedia.org. This can impact testing when services are unavailable.

Ticket scopes in the prevention of this code from running during testing/CI. Maybe an env variable?

[zwelz3]

Culprit

ipyradiant/src/ipyradiant/tests/test_queries.py

Lines 25 to 46 in d51d59f

	def test_remote_query():
	sparql = SPARQLWrapper(DBPEDIA_ENDPOINT)
	sparql.setQuery(DBPEDIA_LABEL_QUERY)
	sparql.setReturnFormat(JSON)
	results = sparql.query().convert()
	res = [] # cache results
	for result in results["results"]["bindings"]:
	res.append(result["label"]["value"])
	# check if results are returned and length 5 (LIMIT 5 in query)
	assert len(res) > 0 and len(res) == 5
	def test_federated_query():
	graph = rdflib.Graph()
	res = graph.query(LINKEDDATA_QUERY)
	res = list(res)
	for i in res:
	assert len(i) == 3

[zwelz3]

Appears to have some flake.