drop 'scopes' context from specs

spec/models/ci/runner_spec.rb

@@ -49,8 +49,7 @@ describe Ci::Runner do
     end
   end
 
-  describe 'scopes' do
-    describe 'owned_or_shared' do
+  describe '.owned_or_shared' do
     it 'returns the specific project runner' do
       # own
       specific_project = create :project
@@ -108,7 +107,6 @@ describe Ci::Runner do
       ]
     end
   end
-  end
 
   describe '#display_name' do
     it 'returns the description if it has a value' do