Fix Host verify_credentials_task password expectation

The password is encrypted on the queue so we have to update our
expectations in this test.

spec/requests/hosts_spec.rb

@@ -126,7 +126,7 @@
 
       verify_options = {
         "authentications" => {
-          "default" => {"userid" => "root", "password" => "abc123"}
+          "default" => {"userid" => "root", "password" => ManageIQ::Password.encrypt("abc123")}
         }
       }