v3(services): Update last_operation when job exceeds max_polling_duration

[#174398273](https://www.pivotaltracker.com/story/show/174398273)

Author: pivotal-marcela-campo

app/jobs/v3/create_route_binding_job.rb

@@ -66,6 +66,17 @@ def perform
         raise CloudController::Errors::ApiError.new_from_details('UnableToPerform', 'bind', e.message)
       end
 
+      def handle_timeout
+        route_binding.save_with_new_operation(
+          {},
+          {
+            type: operation_type,
+            state: 'failed',
+            description: "Service Broker failed to #{operation} within the required time.",
+          }
+        )
+      end
+
       private
 
       def route_binding

spec/unit/jobs/v3/create_route_binding_job_spec.rb

@@ -233,6 +233,16 @@ def test_retry_after(value, expected)
           expect(subject.operation_type).to eq('create')
         end
       end
+
+      describe '#handle_timeout' do
+        it 'updates the last operation to failed' do
+          subject.handle_timeout
+          binding.reload
+          expect(binding.last_operation.type).to eq('create')
+          expect(binding.last_operation.state).to eq('failed')
+          expect(binding.last_operation.description).to eq('Service Broker failed to bind within the required time.')
+        end
+      end
     end
   end
 end