Remove 'general exception' catch clause

Author: jgibo

Diff for: instrumentation/opentelemetry-instrumentation-tornado/tests/test_instrumentation.py

@@ -634,8 +634,6 @@ def test_http_client_failed_response(self):
             self.assertEqual(response.code, 404)
         except HTTPClientError:
             pass
-        except Exception as e:
-            self.fail(f"Unexpected exception: {e}")
 
         spans = self.memory_exporter.get_finished_spans()
         self.assertEqual(len(spans), 2)