def test_largestInt_10():
    assert largestInt([-3, -2, -1]) == -1
def test_largestInt_11():
    assert largestInt([3, 3, 3, 3]) == 3
def test_largestInt_08():
    assert largestInt([7, 6, 5]) == 7
def test_largestInt_09():
    assert largestInt([6, 9, 5]) == 9
def test_largestInt_06():
    assert largestInt([1]) == 1
def test_largestInt_07():
    assert largestInt([2, 3, 4]) == 4
def test_largestInt_05():
    with pytest.raises(ValueError):
        result = largestInt([1, 2, "foo"])
def test_largestInt_04():
    with pytest.raises(ValueError):
        result = largestInt([1, "foo", 2])
def test_largestInt_03():
    with pytest.raises(ValueError):
        result = largestInt(["foo", 1, 2])
def test_largestInt_02():
    with pytest.raises(ValueError):
        result = largestInt([])
def test_largestInt_01():
    with pytest.raises(ValueError):
        result = largestInt("not a list")