3 files changed, 21 insertions, 0 deletions
diff --git a/activejob/test/cases/queue_adapter_test.rb b/activejob/test/cases/queue_adapter_test.rb
index f1e0cf78ad..9611b0909b 100644
--- a/activejob/test/cases/queue_adapter_test.rb
+++ b/activejob/test/cases/queue_adapter_test.rb
@@ -21,6 +21,7 @@ class QueueAdapterTest < ActiveJob::TestCase
   end
 
   test "should allow overriding the queue_adapter at the child class level without affecting the parent or its sibling" do
+    ActiveJob::Base.disable_test_adapter
     base_queue_adapter = ActiveJob::Base.queue_adapter
 
     child_job_one = Class.new(ActiveJob::Base)
diff --git a/activejob/test/cases/test_helper_test.rb b/activejob/test/cases/test_helper_test.rb
index 372b68c2f5..2e6357f824 100644
--- a/activejob/test/cases/test_helper_test.rb
+++ b/activejob/test/cases/test_helper_test.rb
@@ -560,3 +560,20 @@ class InheritedJobTest < ActiveJob::TestCase
     assert_instance_of ActiveJob::QueueAdapters::TestAdapter, InheritedJob.queue_adapter
   end
 end
+
+class QueueAdapterJobTest < ActiveJob::TestCase
+  def before_setup
+    @original_autoload_paths = ActiveSupport::Dependencies.autoload_paths
+    ActiveSupport::Dependencies.autoload_paths = %w(test/jobs)
+    super
+  end
+
+  def after_teardown
+    ActiveSupport::Dependencies.autoload_paths = @original_autoload_paths
+    super
+  end
+
+  def test_queue_adapter_is_test_adapter
+    assert_instance_of ActiveJob::QueueAdapters::TestAdapter, QueueAdapterJob.queue_adapter
+  end
+end
diff --git a/activejob/test/jobs/queue_adapter_job.rb b/activejob/test/jobs/queue_adapter_job.rb
new file mode 100644
index 0000000000..160dfd74ec
--- /dev/null
+++ b/activejob/test/jobs/queue_adapter_job.rb
@@ -0,0 +1,3 @@
+class QueueAdapterJob < ActiveJob::Base
+  self.queue_adapter = :inline
+end