fixed random rbac testing failure.
Fixed traslation mistake
Fixed test break.
Fixes #4606: doc fix. [skip ci]
re-enabled app tests.
Merge pull request #4604 from pana1990/master

Fixed traslation mistake
Fixes #4609. Fixes #4610.
fixed link
Fixes #4611.
Merge pull request #4618 from xBazilio/patch-4

fixed link
Added `yii\base\InvalidValueException`.
Refactored `yii\web\User`.