In the test_env.json file,

    *  Replace angle-bracketed data locations with required IP Addresses.
    *  Change any other default data as needed.

The following test files need to be run with the pytest symbols plugin:

    *  test_disconnected.py

Install the pytest_symbols plugin:

    https://bldr-git.int.lineratesystems.com/tools/pytest-symbols

After configuring the envirnomental data in test_env.json,
execute those tests similar to this:

    py.test --symbols ./test_env.json -sv -- test_disconnected.py