Function When_I_trigger_event

When_I_trigger_event(eventName): void
When I trigger event:
```
When I trigger event {string}
```
Parameters
- eventName: string
  The name of the event to be triggered on the DOM element.
Returns void
Example
Trigger a mouseover on the button:
```
When I trigger event "mouseover"
```
The DOM element must be in an "interactable" state prior to the triggered event happening (it must be visible and not disabled).
Remarks
A preceding step like "When I find element by text" is required. For example:
```
When I find element by text "Text"
  And I trigger event "mousedown"
```
- Defined in actions/trigger.ts:33