Fix specs for RSpec 3

Signed-off-by: David Celis <me@davidcel.is>

Author: davidcelis

api-pagination.gemspec

@@ -16,10 +16,9 @@ Gem::Specification.new do |s|
   s.test_files    = Dir['spec/**/*']
   s.require_paths = ['lib']
 
-  s.add_development_dependency 'rspec'
+  s.add_development_dependency 'rspec', '~> 3.0'
   s.add_development_dependency 'grape'
   s.add_development_dependency 'railties', '>= 3.0.0'
   s.add_development_dependency 'actionpack', '>= 3.0.0'
-  s.add_development_dependency 'sqlite3'
   s.add_development_dependency 'sequel', '>= 4.9.0'
 end

spec/sequel_spec.rb

@@ -24,7 +24,7 @@
 
     it 'returns a Sequel::Dataset' do
       collection = ApiPagination.paginate(people)
-      expect(collection.kind_of?(Sequel::Dataset)).to be_true
+      expect(collection.kind_of?(Sequel::Dataset)).to be_truthy
     end
   end
 end