1.10: Alerts Configuring defaults example
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**Primary Actor**: User

**Scope**: Ngx-bootstrap DEMO / BS version 3&4

**Goal**: Show user how to override default alert configuration

Main success scenario:
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1. User open Alerts demo page
2. User click on Configuring defaults sub-menu
3. User see 2 alerts with type: success, info
4. Info alert should have type: info in html and in template src

Variations:
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2*. User scroll to Configuring defaults sub-menu