def test_fields_collisional(): run_cases(1, 1, -10, tau_collisional) check_convergence()
def test_collisional(): run_cases(1, 1, 0, tau_collisional) check_convergence()
def test_fields_collisionless(): run_cases(1, 2, -10, tau_collisionless) check_convergence()
def test_collisionless(): run_cases(1, 1, 0, tau_collisionless) check_convergence()
def test_convergence(): check_convergence()