1 files changed, 3 insertions, 3 deletions
diff --git a/activerecord/test/cases/habtm_destroy_order_test.rb b/activerecord/test/cases/habtm_destroy_order_test.rb
index 5e503272e1..b15e1b48c4 100644
--- a/activerecord/test/cases/habtm_destroy_order_test.rb
+++ b/activerecord/test/cases/habtm_destroy_order_test.rb
@@ -15,7 +15,7 @@ class HabtmDestroyOrderTest < ActiveRecord::TestCase
         sicp.destroy
       end
     end
-    assert !sicp.destroyed?
+    assert_not_predicate sicp, :destroyed?
   end
 
   test "should not raise error if have foreign key in the join table" do
@@ -42,7 +42,7 @@ class HabtmDestroyOrderTest < ActiveRecord::TestCase
       ben.lessons << sicp
       ben.save!
       ben.destroy
-      assert !ben.reload.lessons.empty?
+      assert_not_empty ben.reload.lessons
     ensure
       # get rid of it so Student is still like it was
       Student.reset_callbacks(:destroy)
@@ -58,6 +58,6 @@ class HabtmDestroyOrderTest < ActiveRecord::TestCase
     assert_raises LessonError do
       sicp.destroy
     end
-    assert !sicp.reload.students.empty?
+    assert_not_empty sicp.reload.students
   end
 end