Don't cast to float unnecessarily

Adding durations to `Time` instances is perfectly okay.

1 files changed, 2 insertions, 2 deletions

diff --git a/actionmailer/test/message_delivery_test.rb b/actionmailer/test/message_delivery_test.rb
index f4c4f43bdc..e3d15816d4 100644
--- a/actionmailer/test/message_delivery_test.rb
+++ b/actionmailer/test/message_delivery_test.rb
@@ -76,14 +76,14 @@ class MessageDeliveryTest < ActiveSupport::TestCase
 
   test "should enqueue a delivery with a delay" do
     travel_to Time.new(2004, 11, 24, 01, 04, 44) do
-      assert_performed_with(job: ActionMailer::DeliveryJob, at: Time.current.to_f + 600, args: ["DelayedMailer", "test_message", "deliver_now", 1, 2, 3]) do
+      assert_performed_with(job: ActionMailer::DeliveryJob, at: Time.current + 600.seconds, args: ["DelayedMailer", "test_message", "deliver_now", 1, 2, 3]) do
         @mail.deliver_later wait: 600.seconds
       end
     end
   end
 
   test "should enqueue a delivery at a specific time" do
-    later_time = Time.now.to_f + 3600
+    later_time = Time.current + 1.hour
     assert_performed_with(job: ActionMailer::DeliveryJob, at: later_time, args: ["DelayedMailer", "test_message", "deliver_now", 1, 2, 3]) do
       @mail.deliver_later wait_until: later_time
     end