def test_discarding_non_existent_label_is_ignored(self):
node = Node("Person", name="Alice")
node.discard_label("Employee")
assert node.labels() == {"Person"}
def test_discarding_non_existent_label_is_ignored(self):
node = Node("Person", name="Alice")
node.discard_label("Employee")
assert node.labels() == {"Person"}
def test_can_discard_label(self):
node = Node("Person", "Employee", name="Alice")
node.discard_label("Employee")
assert node.labels() == {"Person"}
def test_can_discard_label(self):
node = Node("Person", "Employee", name="Alice")
node.discard_label("Employee")
assert node.labels() == {"Person"}