Move the TestQueue tests to the proper file

activesupport/test/queueing/test_queue_test.rb

@@ -99,4 +99,48 @@ def test_drain
     assert job.ran?, "The job runs synchronously when the queue is drained"
     assert_equal job.thread_id, Thread.current.object_id
   end
+
+  class IdentifiableJob
+    def initialize(id)
+      @id = id
+    end
+
+    def ==(other)
+      other.same_id?(@id)
+    end
+
+    def same_id?(other_id)
+      other_id == @id
+    end
+
+    def run
+    end
+  end
+
+  def test_queue_can_be_observed
+    jobs = (1..10).map do |id|
+      IdentifiableJob.new(id)
+    end
+
+    jobs.each do |job|
+      @queue.push job
+    end
+
+    assert_equal jobs, @queue.jobs
+  end
+
+  def test_adding_an_unmarshallable_job
+    anonymous_class_instance = Struct.new(:run).new
+
+    assert_raises TypeError do
+      @queue.push anonymous_class_instance
+    end
+  end
+
+  def test_attempting_to_add_a_reference_to_itself
+    job = {reference: @queue}
+    assert_raises TypeError do
+      @queue.push job
+    end
+  end
 end

railties/test/application/queue_test.rb

@@ -69,60 +69,13 @@ def ran?
       refute job.ran_in_different_thread?, "Expected job to run in the same thread"
     end
 
-    class IdentifiableJob
-      def initialize(id)
-        @id = id
-      end
-
-      def ==(other)
-        other.same_id?(@id)
-      end
-
-      def same_id?(other_id)
-        other_id == @id
-      end
-
-      def run
-      end
-    end
-
-    test "in test mode, the queue can be observed" do
-      app("test")
-
-      jobs = (1..10).map do |id|
-        IdentifiableJob.new(id)
-      end
-
-      jobs.each do |job|
-        Rails.queue.push job
-      end
-
-      assert_equal jobs, Rails.queue.jobs
-    end
-
-    test "in test mode, adding an unmarshallable job will raise an exception" do
-      app("test")
-      anonymous_class_instance = Struct.new(:run).new
-      assert_raises TypeError do
-        Rails.queue.push anonymous_class_instance
-      end
-    end
-
     test "attempting to marshal a queue will raise an exception" do
       app("test")
       assert_raises TypeError do
         Marshal.dump Rails.queue
       end
     end
 
-    test "attempting to add a reference to itself to the queue will raise an exception" do
-      app("test")
-      job = {reference: Rails.queue}
-      assert_raises TypeError do
-        Rails.queue.push job
-      end
-    end
-
     def setup_custom_queue
       add_to_env_config "production", <<-RUBY
         require "my_queue"