Merge pull request collectiveidea#851 from dblock/not-manipulating-sa…

…me-instance

Fix shared specs for back-ends that reload objects.

CHANGELOG.md

@@ -1,3 +1,7 @@
+Next
+====
+* Fix shared specs for back-ends that reload objects
+
 4.1.0 - 2015-09-22
 ==================
 * Alter `Delayed::Command` to work with or without Rails

lib/delayed/backend/shared_spec.rb

@@ -542,7 +542,7 @@ def create_job(opts = {})
         it 'marks the job as failed' do
           Delayed::Worker.destroy_failed_jobs = false
           job = described_class.create! :handler => '--- !ruby/object:JobThatDoesNotExist {}'
-          expect(job).to receive(:destroy_failed_jobs?).and_return(false)
+          expect_any_instance_of(described_class).to receive(:destroy_failed_jobs?).and_return(false)
           worker.work_off
           job.reload
           expect(job).to be_failed
@@ -574,7 +574,6 @@ def create_job(opts = {})
       it 're-schedules jobs after failing' do
         worker.work_off
         @job.reload
-        expect(@job.error).to_not be_nil
         expect(@job.last_error).to match(/did not work/)
         expect(@job.last_error).to match(/sample_jobs.rb:\d+:in `perform'/)
         expect(@job.attempts).to eq(1)