Remove to_f in set method to prevent error

This change prevents a `NoMethodError` when retrying jobs or scheduling
jobs with `set(wait: ...)` for adapters like GoodJob and Solid Queue.

lib/acidic_job/mixin.rb

@@ -63,8 +63,8 @@ def idempotency_key
 
     # Configures the job with the given options.
     def set(options = {}) # :nodoc:
-      self.scheduled_at = options[:wait].seconds.from_now.to_f if options[:wait]
-      self.scheduled_at = options[:wait_until].to_f if options[:wait_until]
+      self.scheduled_at = options[:wait].seconds.from_now if options[:wait]
+      self.scheduled_at = options[:wait_until] if options[:wait_until]
       self.queue_name   = self.class.queue_name_from_part(options[:queue]) if options[:queue]
       self.priority     = options[:priority].to_i if options[:priority]
 

test/cases/active_job/basics_test.rb

@@ -8,6 +8,7 @@ module Cases
   module ActiveJob
     class Basics < ActiveSupport::TestCase
       include ::ActiveJob::TestHelper
+      include ActiveSupport::Testing::TimeHelpers
 
       def before_setup
         super()
@@ -384,6 +385,20 @@ def do_something
         assert_equal "FINISHED", run.recovery_point
         assert_equal 1, Performance.performances
       end
+
+      test "job can be scheduled to be run in the future" do
+        class FutureJob < ::AcidicJob::Base
+          def perform; end
+        end
+
+        freeze_time
+
+        FutureJob.set(wait: 1.minute).perform_later
+        FutureJob.set(wait_until: 2.minutes.from_now).perform_later
+
+        assert_equal 1.minute.from_now, enqueued_jobs[0][:at]
+        assert_equal 2.minutes.from_now, enqueued_jobs[1][:at]
+      end
     end
   end
 end