Test specifying python client interpreter used to compile jobs

The newly feature allows to users to specify the client python interpreter used to compile pyflink jobs.
In order to test this new feature I recommend to follow the documentation[1][2] and the config
"pyclientexec,-pyClientExecutable"

[1] https://ci.apache.org/projects/flink/flink-docs-master/docs/deployment/cli/#submitting-pyflink-jobs
[2] https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/python/dependency_management/#python-interpreter-of-client