Fix test failures involving contextvars.
@@ -112,8 +112,7 @@ class TestSpanCreation(unittest.TestCase):
self.assertIsNotNone(child.end_time)
def test_span_members(self):
- context = contextvars.ContextVar('test_span_members')
- tracer = trace.Tracer(context)
+ tracer = trace.Tracer('test_span_members')
other_context1 = trace_api.SpanContext(
trace_id=trace.generate_trace_id(),
