def findtests(testdir=None, stdtests=STDTESTS, nottests=NOTTESTS):
    if not testdir: testdir = findtestdir()
    names = os.listdir(testdir)
    tests = []
    for name in names:
        if name[:5] == "test_" and name[-3:] == os.extsep+"py":
            modname = name[:-3]
            if modname not in stdtests and modname not in nottests:
                tests.append(modname)
    tests.sort()
    return stdtests + tests
Returns the row of the start of the next diffscuss comment, and the current
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/test/regrtest.py/findtests--crossover with--dataset/ETHPy150Open hut8labs/diffscuss/diffscuss/support/editor.py/find_next_comment