Fixup tests

Author: NickCao

packages/jumpstarter-kubernetes/jumpstarter_kubernetes/clients_test.py

@@ -35,7 +35,8 @@ def test_client_dump_json():
         "credential": null,
         "endpoint": "https://test-client"
     }
-}"""
+}
+"""
     )
 
 

packages/jumpstarter-kubernetes/jumpstarter_kubernetes/exporters_test.py

@@ -49,7 +49,8 @@ def test_exporter_dump_json():
         ],
         "endpoint": "https://test-exporter"
     }
-}"""
+}
+"""
     )
 
 

packages/jumpstarter-kubernetes/jumpstarter_kubernetes/test_leases.py

@@ -76,7 +76,8 @@ def test_lease_dump_json():
             "name": "test-exporter"
         }
     }
-}"""
+}
+"""
     )