Add test to parse logs generated by Xcode 8.3

spec/derived_data_spec.rb

@@ -47,6 +47,22 @@
         expect(derived_data.executions).not_to be_empty
       end
     end
+
+    context 'with logs generated by Xcode 8.3+' do
+      let(:derived_data) { DerivedData.by_product_name('Xcode83', derived_data_root) }
+
+      describe '#flag_enabled?' do
+        it 'returns true' do
+          expect(derived_data.flag_enabled?).to be_truthy
+        end
+      end
+
+      describe '#executions' do
+        it 'returns array' do
+          expect(derived_data.executions).not_to be_empty
+        end
+      end
+    end
   end
 
   context 'with invalid log' do