1 files changed, 4 insertions, 2 deletions
diff --git a/activerecord/test/cases/relation/delegation_test.rb b/activerecord/test/cases/relation/delegation_test.rb
index c171c5e14e..7f99b6841f 100644
--- a/activerecord/test/cases/relation/delegation_test.rb
+++ b/activerecord/test/cases/relation/delegation_test.rb
@@ -61,8 +61,10 @@ module ActiveRecord
   end
 
   class DelegationRelationTest < DelegationTest
+    fixtures :comments
+
     def target
-      Comment.where.not(body: nil)
+      Comment.where(body: 'Normal type')
     end
 
     [:map, :collect].each do |method|
@@ -88,7 +90,7 @@ module ActiveRecord
     end
 
     [:select!, :uniq!].each do |method|
-      test "##{method} is triggers an immutable error" do
+      test "##{method} triggers an immutable error" do
         assert_raises ActiveRecord::ImmutableRelation do
           assert_responds(target, method)
         end