Test cases for Bulb

Hi,

Here are the test cases for Bulb:-

1) Check for company logo.
2) Check for wattage marked.
3) Test with wattage plus/minus one, as per capacity of bulb.
4) Test for shape of the bulb.
5) Test for performance of the bulb by leaving it ON for more than 50 hours.
6) Test bulb life.
7) Test performance of bulb power up/down.
8) Test for bulb holder compatibility.
9) Test for bulb filament.
10) Test for holder metal used.

Thanks.

Please comment.