Fix typo in error message

Author: monorkin

app/models/solid_queue/recurring_task.rb

@@ -110,7 +110,7 @@ def supported_schedule
 
       def ensure_command_or_class_present
         unless command.present? || class_name.present?
-          errors.add :base, :command_and_class_blank, message: "either command or class_name must be present"
+          errors.add :base, :command_and_class_blank, message: "either command or class must be present"
         end
       end
 

test/models/solid_queue/recurring_task_test.rb

@@ -154,7 +154,9 @@ def perform
     assert_not recurring_task_with(class_name: "UnknownJob").valid?
 
     # Empty class name and command
-    assert_not recurring_task_with(key: "task-id", schedule: "every minute").valid?
+    task = SolidQueue::RecurringTask.from_configuration("task-id", schedule: "every minute")
+    assert_not task.valid?
+    assert_includes task.errors[:base], "either command or class must be present"
   end
 
   test "task with custom queue and priority" do