Update coerced_tests.rb

Author: aidanharan

test/cases/coerced_tests.rb

@@ -2495,7 +2495,7 @@ def test_insert_with_type_casting_and_serialize_is_consistent_coerced
 
     original_test_insert_with_type_casting_and_serialize_is_consistent
   ensure
-    Book.where(author_id: nil, name: 'Array').delete_all
+    Book.where(author_id: nil, name: ["Array"]).delete_all
     Book.lease_connection.add_index(:books, [:author_id, :name], unique: true)
   end