If you've installed the module into an existing magento store using composer then the dev dependencies will not be installed with the code. You need to run composer require --dev "fooman/magento2-phpunit-bridge":"^0.9.0" to install the dependencies.
To run all tests for this module use
# From the Magento store root
php ./vendor/bin/phpunit -c dev/tests/unit/phpunit.xml.dist vendor/shipperhq/module-upsmychoice/Test/*