Cover data tool component by autotests

[maistrenkoIulia]

see check-list http://jmix-testit.haulmont.com/projects/5/tests?isolatedSection=68cb69b7-7f57-452b-971f-ef5ec23107ef

[owlet1997]

Covered cases:

• delete instance from Entity Inspector Browser
• wipe out instance from Entity Inspector Browser
• restore deleted instance from Entity Inspector Browser
• show modes selecting in Entity Inspector Browser
• Entity information window invoking from deleted and non-deleted instance in Entity Inspector Browser
• copying DDL scripts from Entity information window

[owlet1997]

Covered cases:

• create/edit simple entity
• create/edit entity with enum
• create/edit entity with Composition One to One
• create/edit entity with Composition One to Many

[owlet1997]

Covered cases:

• create/edit entity with Assotiation Many to Many
• export entity in JSON/ZIP formats