keep test

test/integration/test_session.py

@@ -101,6 +101,19 @@ def test_session_from_id(self, service):
         job = sampler.run(ReferenceCircuits.bell(), shots=400)
         self.assertEqual(session_id, job.session_id)
 
+    @run_integration_test
+    def test_session_no_backend(self, service):
+        """Test session without passing in backend."""
+        if self.dependencies.channel == "ibm_quantum":
+            self.skipTest("Not supported on ibm_quantum")
+        with Session(service) as session:
+            sampler = Sampler(session=session)
+            job1 = sampler.run(ReferenceCircuits.bell(), shots=400)
+            job2 = sampler.run(ReferenceCircuits.bell(), shots=400)
+        self.assertTrue(job1.backend())
+        self.assertTrue(job2.backend())
+        self.assertEqual(job1.backend().name, job2.backend().name)
+
 
 class TestBackendRunInSession(IBMIntegrationTestCase):
     """Integration tests for Backend.run in Session."""