```ruby
require File.dirname(__FILE__) + '/../spec_helper'

describe ActivitiesHelper do
  
  #Delete this example and add some real ones or delete this file
  it "should include the ActivityHelper" do
    included_modules = self.metaclass.send :included_modules
    included_modules.should include(ActivityHelper)
  end
  
end
```

Fix pluralization error in ActivitiesHelper spec
user
```ruby
require File.dirname(__FILE__) + '/../spec_helper'

describe ActivitiesHelper do
  
  #Delete this example and add some real ones or delete this file
  it "should include the ActivitiesHelper" do
    included_modules = self.metaclass.send :included_modules
    included_modules.should include(ActivitiesHelper)
  end
  
end
```
assistant