Don't create new directory for tests

railties/test/engine_test.rb

@@ -0,0 +1,24 @@
+require 'abstract_unit'
+
+class EngineTest < ActiveSupport::TestCase
+  it "reports routes as available only if they're actually present" do
+    engine = Class.new(Rails::Engine) do
+      def initialize(*args)
+        @routes = nil
+        super
+      end
+    end
+
+    assert !engine.routes?
+  end
+
+  it "does not add more paths to routes on each call" do
+    engine = Class.new(Rails::Engine)
+
+    engine.routes
+    length = engine.routes.draw_paths.length
+
+    engine.routes
+    assert_equal length, engine.routes.draw_paths.length
+  end
+end

railties/test/unit/engine_test.rb

@@ -1,26 +0,0 @@
-require 'abstract_unit'
-
-module Unit
-  class EngineTest < ActiveSupport::TestCase
-    it "reports routes as available only if they're actually present" do
-      engine = Class.new(Rails::Engine) do
-        def initialize(*args)
-          @routes = nil
-          super
-        end
-      end
-
-      assert !engine.routes?
-    end
-
-    it "does not add more paths to routes on each call" do
-      engine = Class.new(Rails::Engine)
-
-      engine.routes
-      length = engine.routes.draw_paths.length
-
-      engine.routes
-      assert_equal length, engine.routes.draw_paths.length
-    end
-  end
-end