test: Add streaming propagation tests

Author: sentrivana

tests/tracing/test_propagation.py

@@ -31,6 +31,15 @@ def test_span_in_transaction(sentry_init):
             next(span.iter_headers())
 
 
+def test_span_in_transaction_span_streaming(sentry_init):
+    sentry_init(traces_sample_rate=1.0, _experiments={"trace_lifecycle": "stream"})
+
+    with sentry_sdk.traces.start_span(name="test"):
+        with sentry_sdk.traces.start_span(name="test2") as span:
+            # Ensure the headers are there
+            next(span._iter_headers())
+
+
 def test_span_in_span_in_transaction(sentry_init):
     sentry_init(traces_sample_rate=1.0)
 
@@ -39,3 +48,13 @@ def test_span_in_span_in_transaction(sentry_init):
             with sentry_sdk.start_span(op="test3") as span_inner:
                 # Ensure the headers are there
                 next(span_inner.iter_headers())
+
+
+def test_span_in_span_in_transaction_span_streaming(sentry_init):
+    sentry_init(traces_sample_rate=1.0, _experiments={"trace_lifecycle": "stream"})
+
+    with sentry_sdk.traces.start_span(name="test"):
+        with sentry_sdk.traces.start_span(name="test2"):
+            with sentry_sdk.traces.start_span(name="test3") as span_inner:
+                # Ensure the headers are there
+                next(span_inner._iter_headers())