Write unit tests for catalog module

[OlegoO]

@tatarincev commented on Wed Jul 19 2017

Here is main topics which should be covered by Unit and E2E tests

CRUD Catalog, categories, product, variations

Properties Definition levels (Catalog, Category) Applies to (Catalog, category, product, variation) Types (Dictionary, Multilingual, Multi-value) Value types Validation rules Display names for multi-languages

Inheritance Property inheritance Catalog -> Category -> Product Inheritance by variation from main product (Images, Descriptions, Prices, Dimensions)

Associations Manage product associations

Virtual catalog Virtual catalog Categories in virtual catalog Linking categories or products to the virtual catalog or categories

Multilingual Descriptions, property values, SEO slugs, property display names and values for different languages

Export/Import CSV import/export Platform Export/Import

Partial update Products, Categories