Fix some of the TODO items in the project under openfoodfacts.github.scrachx.openfood

[vanshikaarora]

Summary:

There are almost 17 items listed as TODO in the project. Which can be completed. I'll take these tasks one by one and send PRs here

Steps

• Go to TODO section in your project
• Check openfoodfacts.github.scrachx.openfood module

Some of the TODOs to work upon are

• [ ] AdditiveNameTest.java : update empty constructor to set isWikiDataIdPresent to false
• [ ] AdditivesWrapperTest.java : fix so that this test passes. Currently gives a null pointer. (Well for me I didn't see any null pointer exception. Can the mentors please verify this)
• [ ] CategoryNameTest.java : update empty constructor to set isWikiDataIdPresent to false if possible
• [ ] NutrimentsTest.java : in Nutriments, make the key endings public Strings, or at least turn them into variables
• [ ] SendProductTest.java : add PowerMock to test compress()
• [ ] ToUploadProductTest : should make product field strings public static fields in ToUploadProduct or use toString from
• [ ] UnitUtils.java : what about % DV and IU

[vanshikaarora]

@teolemon @deniger @huzaifaiftikhar for the To-Do item:

UnitUtils.java : what about % DV and IU

This is the conversion system that is followed, could you please help me where can I info of the Vitamin present or if not, then what can be done with this?