Make test-module use default value for interpreter #54053
Merged
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SUMMARY
Since #50163 changes to Python interpreter discovery Ansible attempts to use the interpreter from discovered facts, however fact discovery is not performed in test-module, facts dict is empty, thus invocation always fails with ansible.executor.interpreter_discovery.InterpreterDiscoveryRequiredError raised in https://github.com/ansible/ansible/blob/devel/lib/ansible/executor/module_common.py#L496.
That is, unless -I or -interpreter is passed to test-module for every run, making this a required param. Rather than this being required we might consider defaulting to /usr/bin/python as was before, for module test purposes.
Test system: macOS 10.14.3, Python 2.7.15.
ISSUE TYPE