Remove assert_not_called Object#=~ here for Ruby 3.2 compat

activerecord/test/cases/relation/mutation_test.rb

@@ -32,11 +32,9 @@ module ActiveRecord
 
     test "#order! on non-string does not attempt regexp match for references" do
       obj = Object.new
-      assert_not_called(obj, :=~) do
       assert relation.order!(obj)
       assert_equal [obj], relation.order_values
     end
-    end
 
     test "extending!" do
       mod, mod2 = Module.new, Module.new