Cover dymanic attribute component by autotests

[maistrenkoIulia]

see http://jmix-testit.haulmont.com/projects/5/tests?isolatedSection=1e463e9a-9cbc-4db2-81f6-2ad0e7921cc1 TCs:

• Check category display for categorized entity;
• Checks category display for categorized entity;
• Edit category attribute;
• Remove category attribute;
• Check calculated values for entity attribute;
• Create dynamic attribute category;
• Edit dynamic attribute category;
• Remove dynamic attribute category;
• Check boolean type attribute;
• Check date type attribute;
• Check date without time type attribute;
• Check double type attribute;
• Check entity type attribute;
• Check enum type attribute;
• Check Fixed-point number type attribute;
• Check Integer type attribute;
• Check String type attribute;
• Check category localization;
• Check attribute localization;
• Check enum localization (disabled "https://github.com/Haulmont/jmix-dynattr/issues/96");
• Creates category attribute;