do not fail if response is not json (e.g. xml) #165

Job	Run time
get-non-cloud-notebooks	5s
notebooks-except-cloud (docs/sphinx/source/reads-writes.ipynb)	7m 49s
notebooks-except-cloud (docs/sphinx/source/query.ipynb)	6m 39s
notebooks-except-cloud (docs/sphinx/source/application-packages.ipynb)	5m 58s
notebooks-except-cloud (docs/sphinx/source/examples/lightgbm-with-categorical-mapping.ipynb)	5m 23s
notebooks-except-cloud (docs/sphinx/source/examples/multi-vector-indexing.ipynb)	7m 17s
notebooks-except-cloud (docs/sphinx/source/examples/pyvespa-examples.ipynb)	7m 33s
notebooks-except-cloud (docs/sphinx/source/examples/cross-encoders-for-global-reranking.ipynb)	5m 34s
notebooks-except-cloud (docs/sphinx/source/examples/evaluating-with-snowflake-arctic-embed.ipynb)	6m 26s
notebooks-except-cloud (docs/sphinx/source/examples/lightgbm-with-categorical.ipynb)	6m 10s
notebooks-except-cloud (docs/sphinx/source/examples/feed_performance.ipynb)	8m 1s
notebooks-except-cloud (docs/sphinx/source/getting-started-pyvespa.ipynb)	11m 24s
	1h 18m 19s

Provide feedback