chore: Fix test warnings

ldclient/testing/impl/test_attribute_ref.py

@@ -38,7 +38,7 @@ def test_ref_simple_with_leading_slash(self, input: str, unescaped: str):
  assert a.depth == 1
  assert a[0] == unescaped
 
- @pytest.mark.parametrize("input", [])
+ @pytest.mark.parametrize("input", [("name"), ("name/with/slashes"), ("name~0~1with-what-looks-like-escape-sequences")])
  def test_literal(self, input: str):
  a = AttributeRef.from_literal(input)
  assert a.valid is True

ldclient/testing/test_ldclient.py

@@ -75,14 +75,12 @@ def test_client_has_null_update_processor_in_ldd_mode():
  assert isinstance(client._update_processor, NullUpdateProcessor)
 
 
-@pytest.mark.skip("Can't currently use a live stream processor in tests because its error logging will disrupt other tests.")
 def test_client_has_streaming_processor_by_default():
  config = Config(sdk_key="secret", base_uri=unreachable_uri, stream_uri=unreachable_uri, send_events=False)
  with LDClient(config=config, start_wait=0) as client:
  assert isinstance(client._update_processor, StreamingUpdateProcessor)
 
 
-@pytest.mark.skip("Can't currently use a live polling processor in tests because its error logging will disrupt other tests.")
 def test_client_has_polling_processor_if_streaming_is_disabled():
  config = Config(sdk_key="secret", stream=False, base_uri=unreachable_uri, stream_uri=unreachable_uri, send_events=False)
  with LDClient(config=config, start_wait=0) as client: