Prepare spec_helper for focused tests

spec/controllers/matches_controller_spec.rb

@@ -18,7 +18,7 @@ RSpec.describe MatchesController, type: :controller do
     it 'should return the correct state' do
       get :show, params: { id: @match.to_param }
       body = ActiveModelSerializers::Deserialization.jsonapi_parse(JSON.parse(response.body))
-      expect(body[:state]).to be(@match.state)
+      expect(body[:state]).to eq(@match.state)
       expect(body[:score_ids]).to eq(@match.scores.map { |score| score.id.to_s })
     end
   end

spec/spec_helper.rb

@@ -22,6 +22,10 @@ RSpec.configure do |config|
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest
   # assertions if you prefer.
+
+  # only runs tests with " , focus: true   "
+  # config.filter_run focus: true
+
   config.expect_with :rspec do |expectations|
     # This option will default to `true` in RSpec 4. It makes the `description`
     # and `failure_message` of custom matchers include text for helper methods