Fixing tests

[marimeireles]

We have quite a few failing:

• FAILED tests/test_delayed_impact.py::test_repayment_fcn - TypeError: Index.get_loc() got an unexpected keyword argument 'method'
• FAILED tests/test_dynamics.py::test_basestate - AssertionError: assert 4 == 3
• FAILED tests/test_simulators.py::test_dynamics_initial_state[delayed_impact] - TypeError: Index.get_loc() got an unexpected keyword argument 'method'
• FAILED tests/test_simulators.py::test_dynamics_initial_state[credit] - IndexError: too many indices for array: array is 1-dimensional, but 2 were indexed
• FAILED tests/test_simulators.py::test_dynamics_initial_state[world3] - TypeError: 'JSObject' object is not iterable
• FAILED tests/test_simulators.py::test_dynamics_intervention[delayed_impact] - TypeError: Index.get_loc() got an unexpected keyword argument 'method'
• FAILED tests/test_simulators.py::test_dynamics_intervention[world3] - TypeError: 'JSObject' object is not iterable
• FAILED tests/test_simulators.py::test_simulator_experiments[delayed_impact] - TypeError: Index.get_loc() got an unexpected keyword argument 'method'
• FAILED tests/test_simulators.py::test_simulator_experiments[world3] - TypeError: 'JSObject' object is not iterable
• FAILED tests/test_simulators.py::test_parallelize[delayed_impact] - TypeError: Index.get_loc() got an unexpected keyword argument 'method'
• FAILED tests/test_simulators.py::test_parallelize[world3] - TypeError: 'JSObject' object is not iterable
• FAILED tests/test_world3.py::test_set_state - TypeError: 'JSObject' object is not iterable
• FAILED tests/gym_tests/test_envs.py::test_env[spec0] - IndexError: tuple index out of range
• FAILED tests/gym_tests/test_envs.py::test_env[spec1] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_env[spec2] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_env[spec3] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_env[spec4] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_random_rollout[HIV-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_random_rollout[world3-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_random_rollout[opioid-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_config[HIV-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_config[world3-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_config[opioid-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_config[Zika-v0] - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_envs.py::test_credit_config - IndexError: tuple index out of range
• FAILED tests/gym_tests/test_envs.py::test_credit_initial_state - IndexError: tuple index out of range
• FAILED tests/gym_tests/test_registration.py::test_make - TypeError: RandomNumberGenerator._generator_ctor() takes from 0 to 1 positional arguments but 2 we...
• FAILED tests/gym_tests/test_registration.py::test_malformed_lookup - AssertionError: Unexpected message: Malformed environment ID: “Breakout-v0”.(Currently all IDs mus...