Fix e2e tests (microsoft#671)

Co-authored-by: kikomiss <144282031+kikomiss@users.noreply.github.com>

Author: shenyingjun

azure-quantum/tests/unit/test_authentication.py

@@ -282,7 +282,7 @@ def _enable_workspace_api_keys(self, token: str, workspace: dict, enable_api_key
             },
             body=workspace_json
         )
-        self.assertEqual(response.status, 200,
+        self.assertEqual(response.status, 201,
                          f"""
                          {url} failed with error code {response.status}.
                          Failed to enable/disable api key.

azure-quantum/tests/unit/test_qiskit.py

@@ -1628,7 +1628,7 @@ def test_qiskit_get_rigetti_qpu_targets(self):
         config = backend.configuration()
         self.assertFalse(config.simulator)
         self.assertEqual(1, config.max_experiments)
-        self.assertEqual(9, config.num_qubits)
+        self.assertEqual(84, config.num_qubits)
         self.assertEqual("qir.v1", config.azure["content_type"])
         self.assertEqual("rigetti", config.azure["provider_id"])
         self.assertEqual("qir.v1", config.azure["input_data_format"])