add rake to gemfile for travis

I have been trying to set up the Travis CI service for this project. 
Looking at the ruby specific docs page I see
'Travis CI runs rake by default to execute your tests. Please note that you need to add rake to your Gemfile (adding it to the :test group should be sufficient).'

So that is what I did.


On Dec 29, 2014, at 6:12 PM, ken mazaika <notifications@github.com> wrote:

> In Gemfile:
> 
> > @@ -55,3 +55,9 @@ end
> >  # gem 'debugger', group: [:development, :test]
> >  
> >  gem "factory_girl_rails", "~> 4.0"
> > +
> > +gem "travis-yaml"
> > +# per instruction on travis ruby page
> > +group :test do
> > +  gem 'rake'
> Putting rake in test may be problematic. The rake gem is a dependency of rails, but is needed outside of just the test environment (example: when you run rake:db migrate it uses this gem). I think you can remove this.
> 
> 
OK, done.

N.
> The test group I think should have the "travis-yaml" stuff, since that's only needed in test environment.
> 
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