[Spec] adds XmlItem model and route for xml testing (!1883) · Merge requests · OpenAPI Tools / openapi-generator

Created by: spacether

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Ran the shell script under ./bin/ to update Petstore sample so that CIs can verify the change. (For instance, only need to run ./bin/{LANG}-petstore.sh and ./bin/security/{LANG}-petstore.sh if updating the {LANG} (e.g. php, ruby, python, etc) code generator or {LANG} client's mustache templates). Windows batch files can be found in .\bin\windows\.
Filed the PR against the correct branch: master~~, 3.4.x, 4.0.x~~. Default: master.
Copied the technical committee to review the pull request if your PR is targeting a particular programming language. @wing328 @jimschubert @cbornet @jaz-ah @ackintosh @JFCote @jmini

This PR adds the model XmlItem and a route that uses it to the swagger 2.0 sample spec. It also includes 6 xml mime types that are produced + consumed in that route. Downstream clients can use this model and that route for their xml tests.
It adds an Api suffix on the java rest-assured client to pass CircleCi tests
It pegs the versions of pytest and pytest-cov to fix and pass TravisCI tests

The examples currently in the spec do not include all xml attributes. The XmlItem model includes all xml attributes:

When merged this PR will close these issues: