Add a spec for one job performed and one enqueued

Author: pirj

spec/rspec/rails/matchers/active_job_spec.rb

@@ -98,6 +98,20 @@ def self.name; "LoggingJob"; end
       expect { }.not_to have_enqueued_job
     end
 
+    context "when previously enqueued jobs were performed" do
+      include ActiveJob::TestHelper
+
+      before { stub_const("HeavyLiftingJob", heavy_lifting_job) }
+
+      it "counts newly enqueued jobs" do
+        heavy_lifting_job.perform_later
+        expect {
+          perform_enqueued_jobs
+          hello_job.perform_later
+        }.to have_enqueued_job(hello_job)
+      end
+    end
+
     context "when job is retried" do
       include ActiveJob::TestHelper