Test fix: removing use of ABC Span in API test (open-telemetry#375)

toumorokoshi · c24t · commit ccb97e582555 · 2020-01-23T10:18:25.000-08:00
diff --git a/opentelemetry-api/tests/context/propagation/test_tracecontexthttptextformat.py b/opentelemetry-api/tests/context/propagation/test_tracecontexthttptextformat.py
@@ -180,7 +180,7 @@ def test_format_not_supported(self):
     def test_propagate_invalid_context(self):
         """Do not propagate invalid trace context."""
         output = {}  # type:typing.Dict[str, str]
-        FORMAT.inject(trace.Span(), dict.__setitem__, output)
+        FORMAT.inject(trace.INVALID_SPAN, dict.__setitem__, output)
         self.assertFalse("traceparent" in output)
 
     def test_tracestate_empty_header(self):
