initial mind_controller test
add checking (un)signed user for index action
fix index action test for unauthorized user
changed deprecated be_in matcher
add tests for factories
add mind factory
add invalid objects factories
Merge remote-tracking branch 'origin/master' into MD-1_tests
minds routing tests
spelling rename
MD-1 tests
update tests
use Forgery for fake data in tests
use Forgery in minds tests
use Forgery in streams tests
generateuniq  Forgery values in factories
isolate mind tests
add streams tests for mind
add streams to mind_controller tests
fix spelling