Persistent intermittent feature test failure for event location

https://github.com/AgileVentures/LocalSupport/blob/develop/features/admin/events/event_location.feature#L38

```gherkin
Scenario: uses default coordinates when user enters invalid address
Given I visit the new event page
And I fill in the new event page validly
When I fill in "event_address" with "+==+"
And I press "Create Event"
When I visit the events page
Then I should see "Great place to brain storm" description marker in "Hackathon" organisation location in the map
```

Can this test be refactored to make it more reliable?