Added __init__.py for test module.
Added test_configurators.py.
Added basic fixtures and construction tests.

Added remaining unit tests

Separated fixtures and placed them in conftest.py

Added batch_size, set_size, and num_features parameterizations in conftest.py.
Combined repetitive fixtures in conftest.py.
Combined repetitive tests in test_configurators.py.
Parameterized Configurator initialization in conftest.py.
Parameterized parameter selection in conftest.py.
Removed initialization tests in test_configurators.py.
Added summary_inputs and summary_conditions to parameters.
Changed instances of '==None' to 'is None'.
Removed 'config=Configurator' instances in test_configurators.py.