fix: remove mock from tests and improve get qualname

opentelemetry-sdk/src/opentelemetry/sdk/trace/__init__.py

@@ -997,12 +997,13 @@ def record_exception(
         )
         module = (
             exception.__module__
-            if exception.__class__.__module__ != "builtins"
+            if type(exception).__module__ != "builtins"
             else ""
         )
+        qualname = type(exception).__qualname__
         exc_type = (
-            f"{module}.{exception.__class__.__qualname__}"
-            if module else exception.__class__.__qualname__
+            f"{module}.{qualname}"
+            if module else qualname
         )
         _attributes: MutableMapping[str, types.AttributeValue] = {
             "exception.type": exc_type,

opentelemetry-sdk/tests/trace/test_trace.py

@@ -1150,19 +1150,16 @@ def error_status_test(context):
 
     def test_record_exception_fqn(self):
         span = trace._Span("name", mock.Mock(spec=trace_api.SpanContext))
-        module_name = "dummy.module"
-        with mock.patch.object(DummyError, "__module__", module_name):
-            try:
-                raise DummyError("error")
-            except DummyError as err:
-                span.record_exception(err)
+        exception = DummyError("error")
+        exception_type = f"{exception.__module__}.{type(exception).__qualname__}"
+        span.record_exception(exception)
         exception_event = span.events[0]
         self.assertEqual("exception", exception_event.name)
         self.assertEqual(
             "error", exception_event.attributes["exception.message"]
         )
         self.assertEqual(
-            f"{module_name}.DummyError",
+            exception_type,
             exception_event.attributes["exception.type"],
         )
         self.assertIn(