15.13: Tooltip with delay example
==================================
**Primary Actor**: User

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

**Goal**:

Main success scenario:
----------------------
1. User opens Tooltip demo page
2. User clicks on Tooltip with delay sub-menu
3. User see button "Tooltip with 0.5sec delay"
4. When user hover on "Tooltip with 0.5sec delay", then tooltip-container appear above the button with 0.5sec delay
5. When user move mouse out of the "Tooltip with 0.5sec delay", then tooltip-container disappeared
6. Template src should be written with [delay]="500"

Variations:
-----------
2*. User scroll to Tooltip with delay sub-menu