Generator with next() for running next test. Yield?

generator_w_next.py

## assuming function: test_check_this()

## Generator runs each test
    T = [10, -10, 'h', [], {}, '', 1.0, None, check_this('16'), '\n']
    G = (test_check_this(test_val) for test_val in T)
    for testable_item in T:
        # run test on that testable_item
        print next(G)